Scientists say the colour shift in interstellar comet 3I/ATLAS is due to gases in the comet's coma reacting to solar heat.

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

Interstellar comet 3I/ATLAS has once again baffled scientists and astronomers with its increasing brightness and striking ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

A stray comet will make its closest approach to Earth this week in one last hurrah before racing back toward interstellar ...

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

Interstellar object 3I/ATLAS continues to display a Sun-facing anti-tail, confirmed by Hubble, Gemini and XMM-Newton ...

Comet 3I/ATLAS is now moving out of the Solar System, but its closest passage to Earth is still a few days away. On December ...

The interstellar comet 3I/ATLAS is currently visible in the constellation Leo, though its faint brightness of magnitude 12.5 means it is difficult to spot.

In the vast, inky blackness beyond our solar system, objects are hurtling through space, each carrying secrets from another ...

Interstellar Arc is an immersive sci-fi experience that uses recent advances in headset tech to break new ground in virtual reality. And it all happens inside an empty-looking room in Las Vegas.

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 ...