The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS.

United Launch Alliance’s Atlas V rocket will deploy 27 Amazon Leo internet satellites early Monday. Learn when and how to watch the launch and what it means for the growing satellite network.

The interstellar comet 3I/ATLAS has just done something no visitor from another star system has ever been caught doing: it ...

NASA has lost contact with its MAVEN spacecraft that launched from Florida and has been orbiting Mars for more than a decade.

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

ORLANDO, Fla. — A ground-based satellite-jamming system made by L3Harris Technologies for the U.S. Space Force has been approved for potential export to select American allies, marking a rare ...

A new analysis of the interstellar object 3I/ATLAS has uncovered a series of unusual physical and orbital characteristics ...

Astronomers are racing to understand a puzzling rhythmic signal coming from 3I/ATLAS, the interstellar object now moving ...

Fresh observations of 3I/ATLAS have sparked debate about whether the activity shows structure or natural variation.