For the first time, astronomers have managed to weigh a planet that is not bound to any star, a lonely world drifting through ...

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

While many sci-fi hits have spawned extended franchises, these standalone works prove that science fiction movies can leave ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...