this morning excessive heat advisories and warnings are posted from california to uta utah. i'll have more on the heat wave gripping the west coast. >> and life in outer space the new find fringz nasa. that suggestions we may not be alone. >> i told about you this. they're around us even here on earth. we'll be back. we'll be back. >> uh-huh. the seasons are changing while it may feel like summer today is the last day of spring and katie will tell us what the first day of summer will be like. >> are you interested, rahel. >> yeah i'm interested it always feels like summer. always feels like summer. >> details when we come >> a major discovery from nasa. hundreds of planet near earth side and could have life. they were discovered by the kaeppeler space craft which launched in 2009. this most recent finding -- with this most recent finding they compiled the most comprehensive catalog yet in our galaxy bringing total to 2034. >> braeing bracing for more record heat. health experts warning it could be deadly. temperatures expected to hit 110 to 120 degrees in some places and han