The prevailing consensus is that 3I/ATLAS behaves like a comet because it is, quite simply, a comet, albeit one with a ...

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 ...

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

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 ...

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

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's supermassive black hole Sagittarius A*. See W.M. Keck Observatory imagery of X7 ...

“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 ...

The Asteroid Terrestrial-impact Last Alert System (ATLAS) in Chile first saw this celestial wanderer on July 1, 2025. It is ...

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

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...