For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

If life exists beyond Earth, water may be the first clue. Water Worlds explores the planets and moons where liquid water ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

NASA's James Webb Space Telescope was secured on top of the Ariane 5 rocket that launched it into space from Europe's Spaceport in French Guiana in December 2021 Photo by M. Pedoussaut/ESA/NASA What ...

A growing number of studies have cast doubt on earlier claims about signs of life on K2-18b, a planet 124 light-years away in the Leo constellation, concluding that the available data doesn’t support ...

Finding alien life won’t be as dramatic as a flying saucer landing on the White House lawn – it’ll be NASA scientists holding a press conference to excitedly show off a chart that’s incomprehensible ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

"We conclude that Titan's uniquely rich organic inventory may not in fact be available to play the role in the moon's habitability to the extent one might intuitively think." When you purchase through ...

Mars, Europa and Enceladus are the three most promising locations in the solar system to search for life living off cosmic rays. When you purchase through links on our site, we may earn an affiliate ...

Within the next 20 years, human beings could discover life on other planets. It was this startling prediction—and the subsequent realization that kids sitting in elementary school classrooms today ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...