To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

What if humanity could no longer live on Earth? Perhaps a catastrophic event forced us to find a new home among the stars.

First-year students in Rochester Institute of Technology’s Science Exploration Program are reproducing a slice of life in their lab that might exist on the seven Earth-like planets recently discovered ...

There might be many more planets that could be home to aliens than we thought, according to a new study. For years, scientists have searched for life in the “habitable” or “goldilocks” zone – where it ...

WASHINGTON — An Earth-sized planet in its star's habitable zone has been discovered in data from NASA’s Kepler space telescope. NASA says the newly found exoplanet is the closest to Earth in size and ...

One group of experts now say that looking for life on water and oxygen-rich planets could be a waste of time.

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...