Late in the story of Mars, long after its lakes and rivers had faded, something quiet still moved beneath its dusty surface. New research suggests that thin trickles of water continued to seep below ...

The criteria for finding an Earth-like planet unofficially comes down to two things: water and the habitable zone. But a ...

Add Yahoo as a preferred source to see more of our stories on Google. Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable for life.

Scientists argue that limiting the search for life strictly to a star’s traditional habitable zone is too restrictive. That is in light of new climate models, and observations that suggest that liquid ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA's Curiosity rover at Mars' Gale Crater. Hardened dunes act as natural vaults that can store chemical signatures of life for ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Morgan Underwood, Rice University (THE CONVERSATION) When astronomers search for ...