The third known visitor from beyond the solar system is on its way out, retracing the path that brought it past the Sun.

In space, death can be a beautiful thing. That's certainly the case for the recently deceased "other" comet ATLAS, which is slowly breaking apart after meeting its explosive end earlier this month, ...

Interstellar comet 3I/ATLAS has turned into one of the strangest visitors in the recent history of the solar system, surrounding itself with a vast halo and suddenly lighting up in X-rays in a way ...