Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

Life in our solar system could exist on Europa or Enceladus, proving alien life may be common in the universe.

Behavior might be chalked up to more than just intentional choices.

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

3I/ATLAS captured the world's attention last month as the comet raced past the Earth, but some believed that it could have ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory claims, but a comet.

Realising that our solar system isn’t like most others out there has helped astronomers rewrite the story of how it formed ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

Harvard astrophysicist Avi Loeb's speculative claim that 3I/ATLAS could be an alien AI probe ignites scientific debate, NASA ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Scientists may need to broaden their horizons in their search for alien life.

A scientist at the University of Glasgow has delved into the possible existence of ...