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 ...

NASA's James Webb Space Telescope continues to capture the most breathtaking pictures of MIRI. These pictures not only showcase the beauty of space but also help scientists understand how stars and ...

In 2004, a bright point of light in the debris disk surrounding Fomalhaut was thought to be an exoplanet. But the spot ...

Orbiting in reverse around Neptune, Triton is a cosmic rebel with a secret past. This video dives into the evidence that suggests this giant moon was not born around the blue planet but was violently ...

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

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

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

A small, icy visitor from beyond the solar system is giving scientists an unusually close look at the chemistry that may help ...