I/ATLAS was first discovered on July 1, 2025, it has garnered much attention, including speculation, hopes and fears that it ...

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

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

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

“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 ...

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

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 ...

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

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

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...