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Deep Sea Electricity May Have Kickstarted Life On Our Planet 

Curious about how life got started on Earth 3.8 billion years ago? Here’s a thought: Why not recreate ancient hydrothermal vents in the lab, and see if they produce enough juice to power a lightbulb? That, at least, is what a bunch of scientists at the Jet Propulsion Lab decided to do—and the electrifying results are… » 8/06/15 12:40pm 8/06/15 12:40pm

We Found the Building Blocks of Life on a Comet

Last week, a slew of scientific papers told the story of comet lander Philae’s bumpy touchdown, comet 67P’s surprisingly fluffy surface, and — most exciting — the discovery of life’s building blocks there. We haven’t found life. But we may have found part of life’s origin story, buried on this icy rock.
» 8/04/15 2:15pm 8/04/15 2:15pm

 A Scan Of 100,000 Galaxies Shows No Sign Of Alien Mega-Civilizations

A pioneering infrared scan of 100,000 galaxies by Penn State astronomers has failed to detect any signs of galaxy-spanning extraterrestrial supercivilizations. This result, though very preliminary, may be a sign that aliens aren't capable of conquering entire galaxies. » 4/15/15 1:17pm 4/15/15 1:17pm

There May Be More Water On Jupiter's Largest Moon Than On Earth

By studying the subtle shifts of aurorae on Ganymede, scientists working with the Hubble Space Telescope have concluded that Jupiter's largest moon hosts a massive subterranean ocean. Quite suddenly, the outer reaches of our solar system appear to be a very wet place, indeed. » 3/13/15 10:29pm 3/13/15 10:29pm

It's Time to Go Alien Hunting on Titan

Move over Europa, there's another moon out to claim the title of first place we'll discover extraterrestrial life. New research from Cornell University finds that alien microbes could, just maybe, eek it out on Saturn's largest moon, Titan. But these critters wouldn't be like anything we've ever seen before—not even… » 3/01/15 4:00pm 3/01/15 4:00pm

Scientists: 100 million worlds may have complex alien life in our galaxy

A group of international astronomers and astrobiologists have published new research that assesses the possibility of complex life on other worlds. Their calculation in the Milky Way alone is staggering: 100 million worlds in our home galaxy may harbor complex alien life. One. Hundred. Million. » 6/09/14 2:34am 6/09/14 2:34am