Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

In 1994, the fragments of the Shoemaker-Levy 9 comet smashed into Jupiter with a force equal to 300 million atomic bombs.

Launched in the 1970s, the Voyager probes are drifting toward the frozen frontier of the Oort Cloud — a realm of ancient ice, ...

An odd star brightened for more than 70 days in 5 B.C.E., according to a Chinese text. The object may have been a comet that ...

The NASA-funded ATLAS survey telescope in Chile found the comet on July 1. The comet was not visible as it raced behind the ...

While the Voyager spacecraft are constantly traveling out of the Solar System, sometimes they are getting closer to Earth.

Comet 3I/Atlas is believed to have originated from the Oort Cloud, a distant region filled with icy bodies that lie at the outer reaches of our solar system. This ancient reservoir of comets serves as ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

Astronomers say 3I/ATLAS is so unusual that it is forcing a rethink of probability distributions used to model interstellar ...

A scientist has identified a possible astronomical explanation for the Star of Bethlehem, as described in the Bible ...

Matney, a planetary scientist, suggests the "star" might have been a comet that came extremely close to Earth over 2,000 ...