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NASA Is Seriously Revving Up The Search For Alien Life

A few weeks ago, NASA chief scientist Ellen Stofan made news by saying, “I think we’re going to have strong indications of life beyond Earth within a decade, and I think we’re going to have definitive evidence within 20 to 30 years.” It was a bold statement, but NASA is now backing those words with action. » 4/22/15 9:00am 4/22/15 9:00am

This Image Is Why Everyone's So Excited About A NASA Mission To Europa

NASA wants to visit Jupiter's moon Europa. Why's that exciting? In a word: Water. As this visualization shows, the icy moon may look tiny next to our own planet, but it's got 2- to 3-times as much H2O as we have here on Earth. That "little" moon is packing quite the store of water — and with it, scientists think, a… » 4/08/15 12:00pm 4/08/15 12:00pm

To Learn How Aliens Think, We Must First Learn About Their Biology

Should E.T. finally give Earth a ring, it's not only important to understand what the message says but why it is being sent, a speaker at a talk about extraterrestrials urged this week. This requires understanding about alien social behavior, which, one analyst argues, is an extension of alien biology. » 10/05/14 9:30am 10/05/14 9:30am

Bill Nye Explains Why The Search For Alien Life Could End On Europa

Science guy Bill Nye says the two logical places to search for alien life in our solar system are Mars and Europa, the smallest of Jupiter's four moons. Why Europa? Nye gets into some details in this interview with Big Think, but here's the gist: Water. Water water. Water, water water water water; water water water! » 7/31/14 3:00pm 7/31/14 3:00pm

Did Life On Earth As We Know It Come From ‘Geological Life’?

When it comes to life on Earth, we're not sure if it came from the outside (transported by comets) or on the inside. A new theory focuses on the "interior " theory, saying that microbes could have evolved from non-living matter such as chemical compounds in minerals and gases. » 3/13/14 9:40am 3/13/14 9:40am