In one of the most baffling discoveries of the last decade, scientists have found a clue in a cave to how life might survive ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

James Webb has detected a molecule in the atmosphere of the exoplanet K2-18b that could be linked to life. The molecule, ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

Musk compared consciousness to a candle in a “vast darkness" during remarks about aliens at the World Economic Forum in Davos.

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after more than two decades.

Scientists may need to broaden their horizons in their search for alien life.

A newly discovered “super-Earth” planet could allow us to finally see alien life, researchers say. The world – named GJ 251 c and lying less than 20 light years away – is thought to be a “super Earth” ...

For many years, astronomers have been looking for extraterrestrial life. In doing so, astronomers have narrowed their search ...