3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and is now showing signs of disintegration in real time. In this video, we ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

The Healey-Driscoll Administration has awarded a grant to Springfield Partners for Community Action a solar system that will ...

A tiny world in our Solar System has an atmosphere it shouldn’t—hinting something dramatic happened there recently.

Consumers signed with rooftop solar panel companies that went belly-up. They say the systems don't work, but the bills keep ...

Scientists initially believed this object from deep space was relatively straightforward — but new observations are changing ...

By Will Dunham WASHINGTON, May 4 (Reuters) - In the far reaches of our solar system - beyond the outermost planet Neptune - ...

Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.