Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be chemically active.

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse of icy bodies revolving around the sun.

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object ...

This image from the American Museum of Natural History shows a new planetarium show, showing a backwards S-shaped spiral in what’s known as the Oort Cloud far beyond Pluto. AP One evening while ...

Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Astronomers have confirmed the discovery of a rare celestial visitor from beyond our Solar System. The comet was first spotted on 1 July 2025 by the Asteroid Terrestrial-impact Last Alert System ...