Astronomers observing the rare interstellar comet 3I/ATLAS have captured a dramatic new image showing its ion tail expanding ...

Data captured by a robotic telescope indicate the ion tail now extends a minimum of 0.7 degrees toward the northeast.

Astronomers study 3I/Atlas as its tail rapidly expands and a strange cosmic radio signal reaches Earth, sparking new debate ...

Interstellar comet 3I/ATLAS is glowing brighter and defying all cometary science. Astronomers are baffled by its intense energy and unique chemical signature, suggesting this visitor is not a typical ...