for more we are joined from los angeles by david stephenson of the california institute of technology. he co-authored the article. so tell us about this moon. you knew about it quite a bit about it before but what did you find and how did you find it? >> so we knew already that incellidus has guisers, water coming out of cracks near the south pole but we didn't know what was beneath the surface. what we have now done by tracking the cassini spacecraft, an orbit around saturn, we figured out there must be excess mass underneath the ice at the south pole. and water will do that because water is more dense than ice. this is an ocean. it is about the size of lake superior, perhaps even larger. and it is about ten kilometers thick. so it is a lot of water. >> so why is this exciting? first of all, this is maybe a basic science question. if this planet is further from the sun than we are and it is incredibly cold, a few hundred degrees below zero, how is it even possible that water exists there? >> the way water is produced there is by tides. incellidus is in orbit around saturn. orbit is n

david stephenson. >>> a man tweeted not guilty today in a case prosecutors are calling one of the most frightening they have seen on the pen peninsula. faces 20 criminal charges. the san mateo district attorney said he broke into a house. the 66-year-old woman who lives there came home from the store to find the man burglarizing her house. she said he had a gun and threatened to kill her and her family and burn down the house. showed the suspect tasering the woman and gagged her with a sock. he came and went without neighbors noticing a thing. >> knowing that throughout that every time he came back in he's got her bound and tied up in a closet wondering is he coming in to kill me. so that was a night of tore tore few for her. >>> the home invasion lasted nearly 24 hours and investigators say he used the victim's atm card several different times in different locations to steal her money. >>> for opening day of the san francisco giants season. the warm weather kept things lively for fans tailgating before the game and facing new stepped up security measures as they entered the park. >>>

reporting live in san francisco, david stephenson. >>> a plan for thursday in which friends and family plan to talk on behalf of raymond closure. they claim the charges against him stem from police undercover activity and they also say since chow's release from prison he has made a religious vow not to break the law. >>> passengers aboard a princess crews ship are suspected of having the nora virus. reported at least 2k virus outbreaks in 2012. now the cbc says 26 passengers and 13 crew members have reported symptoms believed to be that of the virus. we are told the ship was sanitized. the slip right now is touring the california coast. >>> antioch city council is said to -- estimate there are 6 cats to every person in antioch. the ordinance would make it a misdemeanor to feed the cats on public property and would limit the number of cats a person could own to five. any more and they would need a permit. animal activists say it is the wrong solution and should work on a spay and neuter bill. tonight is the second final vote. the meeting begins at 7:00. >>> california has more fatal rai

david west all ball. clutch defensive play by west. moments later lance stephenson, the big three.phenson, fifth triple-double of the year and the pacers win, 102-97. >>> for more from the masters including tom rinaldi's conversation with bubba, you want to check out a live "sportscenter," 9:00 a.m. eastern time over on espn. have a great day. >>> so where does a two-time masters champ go for a victory dinner? >> a guy like bubba, probably pretty interesting. check out this tweet. 1:30 from the waffle house. i knew it said champ dinner with the #hashbrowns. the woman next to bubba is his wife angie. good for bubba. >> congratulations to him. >>> up next in "the pulse," a bride doesn't let her own wedding stop her from checking her phone. >> cringeworthy. video of a coat sleeve here that has a mind of its own. what exactly is going on here. own. what exactly is going on here. toward mountains of sand. toward new sites and sensations. toward the true bounty of nature. so let's set our compass for traverse city. and find ourselves, in the magic and the moments of pure michigan. your t

david ortiz of an extra-base hit with a hit that hit the wall. the yankees go on to win, 3-2. >>> in the nba, a possible final preview between the pacers and thunder. indiana's lance stephensonp with his fifth triple-double of the season, and the pacers win, 102-97. >>> coming up after your local news on "cbs this morning," university of kentucky basketball coach john calipari. i'm marlie hall. this is the "cbs morning news." calipari. i'm marlie hall. this is the "cbs morning news." it's built to be as fast as it is strong and fights pain at the site of inflammation. advil has the strength and speed to help you move past pain. advil. make today yours. ♪ ♪ [ female announcer ] cheerios. with flavors your heart will love. [ female a♪nouncer ] cheerios. get the party started with friskies party mix beachside crunch cat treats. >>> here's today's top stories. a former leader of the ku klux klan has been arrested for killing three people near kansas city, kansas. police say 73-year-old frazier glenn miller opened fire outside two jewish facilities. he's been charged with first-degree murder. >>> and severe storms whipped through the southwest and plain states sunday. at least th