omega xl. >> reporter: but here at the jet propulsion laboratory, it's no longer science fiction but cutting-edge science. this piece of metal will be a sophisticated landing system for mars 2020. what all gets put on this? >> the most important part that gets put on is the propulsion system, our rockets. >> reporter: the propulsion system? >> yeah, the rockets. >> reporter: yeah, that's pretty important. this animation shows how it will slow down the spacecraft. and gently drop an suv-sized rover onto the surface of the planet. >> we are decelerating. >> reporter: nasa used the same technique in 2012 to land the curiosity rover. >> we're at 150 meters per second. >> curiosity is the first rover to really confirm that mars was a habitable place.

deputy project manager for curiosity. this is a replica here at the mars yard. >> curiosity really is the parent of mars 2020. >> reporter: so, this is like the mom and daddy. >> the mom and daddy, exactly. >> reporter: the next generation rover will be loaded with a lot more technology. like higher resolution cameras and an advanced robotic arm and drill. >> this is the rock room. >> reporter: which deputy manager says will help search for signs of martian life. >> we're actually going to drill cores and make small samples of martian rock that we'll leave on the surface. we hope future missions will get those samples, bring it back to earth so earth scientists can study those samples. >> reporter: we've never gotten anything off the surface of mars. >> we've never brought anything back from the surface of mars. >> reporter: and for the first time, nasa will test systems that future astronauts would use to survive their journey.

could determine whether or not humans make it to mars in the near future. >> using this technology, that's absolutely true. and -- >> reporter: that's a lot of pressure. >> it is. we try not to think about it. >> reporter: engineer jim lewis and his team are working on how to turn the martian atmosphere into at months fewer, for astronauts to breathe and use as fuel >> inside this chamber is the pressure. >> reporter: this experiment is critical because astronauts couldn't bring enough oxygen from earth to last for what will be a three-year mission. >> if you want to go to mars as a human or if you want to launch a rocket from mars to bring a sample back, you need oxidizer to do that. if i could fly >> reporter: all making this upcoming mission a giant leap for human travel into deep space. and down below >> reporter: do you think that some day humans will be on mars? >> oh, without question. >> reporter: without question? >> absolutely.

overcome all the challenges that are ahead of us. >> reporter: that seems crazy. it seems like a movie. >> crazy but certainly a wonderful goal. >> reporter: a goal generations in the making. now closer than ever. do you ever think, like, that is 200 million miles away? >> it's sometimes just amazing to imagine that we've built such a large system, so much complexity that's so capable and we send it on a rocket. when you go out in the morning and you look and it's a point of light in the sky. >> reporter: now for all those kids out there who are going out at night and seeing that point of light in the sky, they could be the first humans to step foot on mars. and this spacecraft carrying that rover for all that important research will pave the way to get them there. >> the "cbs overnight news" will

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some of the biggest acts in music will gather in los angeles tomorrow to honor four-time grammy winner lionel richie. he's being honored as a 2016 music cares person the year for his remarkable career. michelle miller got to spend some time with him. >> lionel richie's peers will honor him, chris stapleton, rihanna, and so many more. it's expected to raise millions

it's a huge honor for richie, and i got to spend an afternoon with him singing some of those time-honored songs. i can tell you at 66 he's definitely still got it. morning's just a moment away and i without you once again >> i don't even dare jump in. >> reporter: he's responsible for some of the most iconic songs of the past five decades. you're once twice three times a lady >> sing it now! >> reporter: let's just say, it's hard not to sing along with yes you're once everybody! twice three times a lady >> the best thing that ever happens, the music stayed around. the music stuck. we're talking about the third generation of folks are now sitting in the audience. >> reporter: and you've been going now, okay, i don't want to

>> no, no, 230 years, i know. since '73. >> reporter: born and raised in tuskegee, alabama, richie led the commadores to the top of the she's a brick house >> reporter: he went solo in say you say me >> reporter: dominating popular music with 13 consecutive top ten hits, including five number ones. oh what a feeling when we're dancing on the ceiling all night long all night >> reporter: richie had no formal music training. he says he just somehow knew how to write songs by ear. >> so, i don't know why i know how to play that.

>> and so, trying to explain it to you is harder than trying to -- than just playing, because there's no real -- >> reporter: you can't stop just there. come on -- >> but you got to know that -- about a half mile or so where you're going where you're going maybe once or twice time after time we tried to hold on to what we got but now we're going to

this may be richie's most famous line. hello is it me you're looking for >> reporter: of course, when adele released her new single, the similarity was hard not to hear. hello it's me >> reporter: the internet didn't waste any time spoofing the two hit songs. hello hello is it me you're looking for >> reporter: let's talk about "hello." who owns it, you or adele? >> well, i was here first. no, no, listen. first of all, there's only so many ways you can say hello. you know, so -- so many people call me, rich, the girl stole your song. the girl stole your word. i said, no, i don't own hello. hello >> reporter: there are one-hit wonders. people who are hot and blazing and are gone in a minute.

it's not an easy business. ego is the first part that kills you. and then the second part of it is just the fact that -- the stress. it's the stress. because can you outdo your last show? i bet you can't do that again. >> reporter: so, how did you do it? >> i did it again, but it's -- >> reporter: but how did you deal with the stress? >> i kept going back to the alabama. we weren't keeping up with the joneses in alabama. we were just keeping up with the comodores. it was never that hanging at the club, here's the drug scene. my grandmother, she said, now, you have to promise me one thing. i don't want you drinking any of that dope. don't drink any of that dope. i just said, grand marks i promise you, i won't -- >> reporter: i won't drink it. >> -- i won't drink any dope. i promise you. >> reporter: instead, richie was focused on making music and giving back. >> as i started gaining a bit of success, then it was even more apparent that, you know, how do i give a voice to the voiceless? >> reporter: he did just that when he and michael jackson sat

world." there comes a time when we heed a certain call >> reporter: the remarkable collaboration raised more than $60 million for humanitarian aid in africa. we are the world we are the children we are the ones that make a brighter day so let's start giving >> reporter: this year music cares is paying tribute to richie for both his musical contributions and decades of charitable work. >> i said, i'll receive this good-bye because, as far as i'm concerned, i'm just getting started now. all night long all night >> reporter: all night long. richie puts on a great show and his residency at planet

april. in addition to music cares tribute, big stars will be

yes you're once the hunt continues in the florida everglades for those giant burmese pythons. it's a month-long harvest aimed at bringing down the population. mark strassmann is there. >> reporter: in the florida everglades, this is basking season for burmese pythons, when the cold-blooded snakes seek out the warmth of the sun. >> there's a lot of native plants we should be aware of. >> reporter: tom rahill's team is hunting for snakes. burmese pythons are an invasive species and an evasive one. tom, one of rahhill's team. it's a challenge, though, isn't it? >> it is a challenge. >> reporter: burmese pythons average about eight feet and

than 1 million acres of swamp and sawgrass here. rahill is known as the snake whisperer. >> i've got over 300 captured personally. >> reporter: he tracked down his first burmese in 2008 and was hooked. >> you go into an alpha predator mind set. if you don't have an alpha predator mind set, you could get hurt, conceivably. >> reporter: first, they bite. >> hundreds of sharp, razor-sharp teeth, you just have to breathe deep and just let it release on its own. if you pull away from a python when it bites you, your arm is going to be shredded. >> reporter: and big burmese can also coil and crush you. >> i had ahold of a 17-foot python a number of years back. totally ecstatic. whoa! this is great. i had a hold of it like i was a feather on a freight train. >> reporter: a big burmese can swallow a deer. in this photo, the alligator inside the python's stomach was so big, the snam actually

like the population of the snakes in the everglades. a female can lay up to 100 eggs. thousands to hundreds of thousands of snakes, we just don't know. >> reporter: somers worked for the florida conservation company. some pet owners release the burmese into the wild when their snakes grew too big. predators in the state of they're not supposed to be here. >> reporter: for help removing them, florida's fish and wildlife officials started the python challenge. top prize, $5,000. rahill is competing with his team of volunteers called the swamp apes. these hunters grab a burmese by the neck, behind the jaw, and let it wear itself out, and then drop it into this bag. they can deliver it dead or alive to wildlife officials. mark strassmann in the florida everglades. that's the "overnight news" for this friday. for some of you, the news continues.

later for the morning news and "cbs this morning." from the broadcast center here in new york city. this is "cbs overnight news qult ". the next primary sanders the opportunity to prove himself he will need to win the nomination of the african-americans. >> senator, do you worry at all that you will be the instrument

clinton claims she might be the first woman president? somebody with my background. somebody with my views. somebody who has spent his entire life taking on the big money, i think a sanders would be an accomplishment. >> you know, i have said many times, you know, i am not asking people to support me because i'm a woman. i'm asking people to support me because i think i'm the most qualified, experienced and ready person to be the president and commander in chief. and i appreciate greatly senator sanders voting record and i was very proud to get the endorsement of the planned parenthood action fund because issues. i have gone time and time again

who would keep women's health care decisions, the province of the government instead of women -- >> sanders faces an uphill battle in south carolina. more than half the electorate is african-american. a group that's long supported clinton and her husband. here's nancy cordes. >> hillary clinton has been there. >> reporter: nearly 20 members of the congressional black clinton. >> hillary has been there to deal with the gun violence and the african-american community across the country. >> reporter: she has prayed with black pastors, met with black ad in the south. >> you have to face up to the hard truth of injustice and systematic racism. >> reporter: her campaign says sanders is a johnny come lately.

scoffed at that today. >> but i never saw him. i never met him. i would student -- but i met hillary clinton, i met president clinton. >> reporter: sanders speaks frequently about incarceration rates and poverty. >> 51% of young african-american kids in this country are unemployed or underemployed. that is a national tragedy. that has got to change. >> reporter: the influential writer ta-nehisi coates and harry bellefonte endorsed him today. >> i think he represents opportunity. i think he represents a moral imperative. >> reporter: when clinton and sanders face off here in milwaukee tonight, she'll argue that she will actually do more to carry on the legacy of the nation's first black president while he'll argue, scott, that he'll actually do more to help

for things like free public college tuition. >> thanks very much. the republican primary in south carolina is just nine days away and the attacks are getting louder and cruder. here's major garrett. >> we win here, we're going to run the table. >> reporter: donald trump in south carolina, by turns optimistic and vulgar. >> what the hell is this guy talking about? doing. >> senator marco rubio. >> reporter: marco rubio campaigning in the state with more conservative cultural instincts criticized trump's language on an assault on decency. >> you have a presidential candidate saying profanity from a stage. profanity from a stage. i mean, all these things undermine what we teach our children. >> reporter: jeb bush also piled on. >> he says, we're going to bomb the blank, blank, blank out of isis, using a vulgarity. that's not leadership.

two-thirds of american primary voters in south carolina describe themselves as evangelical or born-again christians. presenting a challenge for trump, despite his large lead in the polls. voters we spoke to here were divide the. >> just the way he carries himself and when he claims to be a christian and you only quote one verse out of the bible, i mean, come on. >> i think that's what a lot of people like about him, he says what he means and means what he says. i love it. >> reporter: trump today pulled an ad criticizing ted cruz and said he would only run positive ads from now on. john kasich's been doing that for weeks and describes the bush campaign of enjoying all the texas chain saw massacre. >> cbs will host the next

john dickerson is the moderator. the zika virus, suspected of causing birth defects keeps spreading. 79 cases now in the u.s. it's active in 26 countries and terts in the americas. brazil is the hardest hit. with the olympics there this summer, hard choices have to be made. here's dr. jon lapook. >> morgan in the box and they're on the board! >> reporter: the u.s. women's soccer team started on the road to rio last night with a win in their first olympic qualifying game. the team's goalkeeper, hope solo, is raising concern about the risk of zika during the games. >> i want to go. fortunately, the olympics aren't today. so, we have six months. we have a little bit of time to figure things out. >> reporter: u.s. olympic committee kei scott blackmun tried to explain things in a

he says the u.s. is working with the cdc to closely monitor the situation. but no matter the preparation, he wrote, there will alwaysing risks with olympic competition. officials with the rio games told cbs news all rooms in the olympic village will be air conditioned and venues inspected daily to remove standing water where mosquitos might breed. the main worry is the suspected link between the virus and microcephaly, an unusually small head at birth. that link has been strengthened within the past day by reports both in brazil and the united states. the virus has now been found in the mra placenta of mothers who miscarried. i spoke with an official from the rio organizing committee today and asked, are there any

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in oregon today, a six-week standoff between the fbi and armed anti-government protesters ended peacefully. the final four holdouts surrendered. one refused to go quietly, though, ranting, liberty or death. tonight we've learned the isis terrorist group in syria and iraq has chemical weapons in its arsenal. in a rare interview for "60 minutes" we spoke to the director of the cia, john brennan. >> we have a number of incidents where isil has used chemical >> artillery shells.

>> isis has access to chemical artillery shells? >> there are reports that isis has access to chemical precursors munitions that they can use. >> the cia believes that isis has the ability to manufacture small quantities of chlorine and mustard gas. and the capability of exporting those chemicals to the west? >> i think there's always the potential for that. this is why it's so important to cut off the various transportation routes and smuggling routes they have used. >> are there american assets on the ground right now hunting this down? >> the u.s. intelligence is actively involved in being a part of the effort to destroy isil and to get as much insight into what they have on the ground inside of syria and iraq. >> we'll have our full interview with cia director brennan, including the threat that he says keeps him up at night. that's this sunday on "60 minutes".

but there are tens of thousands who can't get out. they're trapped between russian bombers and a closed turkish border. hollywood williams is following this. >> reporter: imagine the terror. never knowing where and when the warplanes will hit next. we can't independently verify these videos, but they appear to show the aftermath of air strikes on the town of tel rifaat this week. in the syrian regime's new offensive, which is backed by russian air power, civilians are once again paying with their blood. crossing the border into turk y we met abdul kahrim bahloul, who runs a school in tel rifaat. the shelling and air strikes are random, he told us.