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 ...

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.

If an extraterrestrial civilization existed with technology comparable to ours, would they be able to detect Earth?

Finding life on another planet would be a world-changing discovery for humanity. But actually detecting it is no simple task.

Here's what you need to remember about "Invincible" Season 2 before new episodes of the Prime Video series begins to drop.

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these ...

Imagine a distant world, light-years away, where intelligent beings scan the cosmos, searching for hints of life. If their ...

Scientists also discovered a second planet, a brown dwarf orbiting another low-mass star. Gaia-5b orbits the Gaia-5 star, around 134 light-years away from Earth.