According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, ...

A mysterious radio signal from a distant planet has sparked excitement among astronomers, hinting at the tantalizing ...

During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

In February 1995, a small research organization known as the SETI Institute launched what was then the most comprehensive ...

Scientists studying Saturn's icy moon, Enceladus, have discovered that its ocean forms layers that slow the upward movement ...

The belief that life exists outside of Earth is known as ‘cosmic pluralism’. Intriguingly, this was briefly a topic of ...

NASA scientists found amino acids, key minerals, and nucleobases for DNA in samples from the OSIRIS-REx asteroid mission.

The search for alien life could be boosted by a simple new test, say scientists. They believe the movement of microbes may ...

A new study focusing on Enceladus, a moon of Saturn, shows that the physics of alien oceans could prevent evidence of deep-sea life from reaching places where we can detect it.