Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

Space scientists have revealed a new image of the mysterious space rock that passed through our solar system. Researchers ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

In July 2025, astronomers detected the third known interstellar object ever observed passing through our solar system—an ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

In the distant reaches of the solar system are many icy objects that resemble snowmen. Now, a new study reveals the simple ...

Planetary systems such as our solar system take hundreds of millions of years to evolve. Since humanity has only existed for a sliver of that time, astronomers have only observed planetary systems at ...