From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent ...

Since its discovery, some people have speculated that interstellar visitor 3I/ATLAS could be alien technology. Harvard ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.

The search for extraterrestrial intelligence (ETI) has long been a topic of fascination. However, a new study available on ...

Border Patrol and ICE officers conducted two separate operations that led to the arrests of 87 alleged "illegal aliens" with ...

There are huge gaps in our knowledge of how to survive space. A lab in north east England is trying to change that.

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...