When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

With over decades of films and convincing radio plays, aliens have captivated our imaginations and our worst fears. They’ve ...

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

That sharp, briny smell is not the salt, it is a gas made by life, breathed out by tiny ocean creatures too small to see. For ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

The video looks at how No Man’s Sky creates alien creatures across a massive universe. Some designs feel believable, while ...

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...