Across the observable universe, galaxies advertise themselves in radio waves for familiar reasons-magnetic fields, cosmic ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

Witnessing the Milky Way is a profound experience. This article highlights ten premier global locations for stargazing. From ...

Are aliens real? A Nature Astronomy study reveals 87% of experts believe life exists. Explore how 3I/ATLAS and AI are ...

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

Barakat’s photograph quietly underscores that reality. The scene feels extraterrestrial, not because it is unfamiliar, but ...