Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
CNN's Miguel Marquez reports on the drought farmers are facing out West.
Professor Chris Turney has been leading a scientific expedition through Antarctica - but now, his ship is trapped in the frozen waters, and he and his crew are stranded. In an interview live from Antarctica, Prof. Turney tells CNN's Brianna Keilar that people on board are disappointed over the mishap but otherwise in good spirits.
Researchers were able to successfully grow human hair in bald places on mice. CNN's Senior Medical Correspondent Elizabeth Cohen tells Wolf Blitzer about what the promising breakthrough means for people.
CNN's Lisa Sylvester looks at how science is very close to being able to give new life to extinct animals.
U.S. Rep. Paul Broun challenges several scientific theories, calling them "lies straight from the pit of hell."