The interstellar comet is a fossil from a planetary system that formed a long time ago in an area of our galaxy far, far away.
Astronomers have used the European Southern Observatory's Very Large Telescope (ESO's VLT) to study the composition of ...
I/ATLAS arrived fast, bright, and strange. When astronomers spotted it on July 1, 2025, they knew almost immediately this was no ordinary comet.
Rather than being an alien craft, 3I/ATLAS likely formed 12 billion years ago at a key moment in the early Universe ...
Interstellar comet 3I/ATLAS, the third known object to enter our solar system from another star, underwent a dramatic ...