The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

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

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

But as the comet neared the sun, it broke apart into chunks until it finally evaporated, according to NASA. C/2024 S1 was a sungrazer, a comet that passes within a distance of about 850,000 miles ...

The object, also known as Comet C/2024 S1 (ATLAS), was discovered on September 27 and quickly earned its nickname following speculation that it might be visible in the night sky near the end of ...

It's called Comet C/2024 G3 (ATLAS) and for the past few nights it has been putting on a show for Australian star-gazers. But it can't go on forever — especially because astronomers now think ...