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

Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...