A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists ...

The findings came from a team of researchers at the University of Cambridge who studied data from NASA's James Webb Space Telescope to find molecules in the atmosphere of a planet known as K2-18b.

In April, a team of astronomers announced that they might — just might — have found signs of life on a planet over 120 ...

But new research from the University of Chicago is urging caution. After analyzing data from multiple observations of the ...

When astronomers last month said they might have discovered the most promising hints of alien life yet on a distant planet, ...

The search for life on exoplanet K2-18b faces fresh challenges as new research questions previous claims. Scientists debate ...

But several recent studies looking into the same data have found that there is not enough evidence to support such lofty claims, with one scientist accusing the astronomers of "jumping the gun".

The search for extraterrestrial life has long gone back and forth between scientific curiosity, public fascination and ...

Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

The metallic object seen flying over Buga in Colombia carries symbols which experts think are a warning from aliens for ...