A U.K.-led mission aims to determine if microbial life exists in Venus’s clouds by detecting phosphine and ammonia.

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

The skepticism and debate around the question of "are we alone in the universe" makes the field of astrobiology more cautious ...

NASA’s clean-rooms are meant to be the surgical suites of spaceflight—over-pressurised, HEPA-filtered boxes where not even a stray eyelash should survive. Yet ...

Susan Worlton only knew her sisters from her mother’s stories and the few pictures that remain. In a courtroom on Friday, ...

Two men have been sentenced for their roles in the deaths of 53 migrants being smuggled inside a tractor trailer in southwest ...

In this week’s episode of Space Minds David Ariosto sits down Nathalie Cabrol, Director of the Carl Sagan Center at the SETI ...

Stories about the existence of aliens, and our chances of detecting them, tend to be positive. We are told that we might ...

Archaeologists are stunned after discovering what they believe could be an ancient city under the pyramids of Giza. A vast, prehistoric city buried beneath the Pyramids of Giza. It’s an extraordinary ...

Astrobiologists thought they saw indications of water vapour. Claims of alien life have popped up throughout the years. Picture: iStock Upon revision, this later turned out to be methane.

Short of an alien radio message, spectra of chemicals produced exclusively by living things—called biosignatures—may be the only evidence of life we can collect from planets light-years away.