Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

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, often dubbed the “alien green comet,” is making a rare and historic flyby of Earth, drawing global attention from astronomers and skywatchers. Scientists say the comet’s unusual glow ...

The universe just sent us a problem. It's a fast-moving, utterly bizarre object from outside our solar system, and it has baffled researchers by dramatically changing its colour as it hurtles towards ...