When New Horizons flew past Arrokoth in 2019, scientists expected a simple, battered object. What they saw instead was smooth ...

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 ...

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

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 ...

Young star systems are a place of violent collisions. Rocks, comets, asteroids and larger objects carom off one another and ...

Young star systems are a place of violent collisions. Rocks, comets, asteroids and larger objects bounce off one another and ...

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 ...

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 ...

From the creators of XCOM's Long War mod, Terra Invicta bridges the gap between civilization on Earth and the vast interstellar empires of other space strategy games.

United Launch Alliance (ULA) will send another batch of Amazon's Monday morning (Dec. 15), and you can watch the action live — if you're a night owl or a very early riser. A ULA Atlas V rocket ...

United Launch Alliance launched an Atlas V rocket carrying 27 Amazon Leo satellites on December 16, advancing Project Leo’s low Earth orbit internet constellation alongside other commercial rockets.