It's not nearly as easy as one might think. The post If Scientists Ever Find Strong Evidence of Alien Life, Communicating It ...

A year ago, NASA announced that its Mars rover Curiosity had discovered long-chain organic compounds. Their quantity suggests ...

NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

The NASA Juno mission has given deeper insights into the possible alien life on Jupiter's moon, Europa, and how it could lie ...

A MYSTERIOUS rock that fell to Earth from Mars may hold some watery secrets about the Red Planet – and possibly alien life.

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier than believed.

Fifty years ago, NASA’s Viking missions to Mars made groundbreaking attempts to detect life on the Red Planet. While the ...

More than a decade after landing in Gale Crater, NASA’s Curiosity rover has uncovered something unexpected in the Martian ...

Organic compounds discovered on the Red Planet cannot be fully explained by non-biological sources, say astrobiologists.

Antarctica's Blood Falls, a rusty red cascade from Taylor Glacier, has baffled scientists since 1911. Recent high-resolution ...