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 ...

For decades, astronomers have chased fleeting hints that something alive might be lurking beyond Earth, only to watch each ...

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

Scientists claim that first extraterrestrial contact will be a loud event impossible to ignore, not a subtle signal.

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

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” ...

The sheer scale of Carrazco-Gaxiola’s survey, titled “An All-Sky Spectroscopic Reconnaissance of More Than 2,100 K Dwarfs Within 40 Parsecs Using High-Resolution Spectra,” is what sets it apart.

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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