What can a piece of debris from another star tell astronomers about planets they may never see directly? The answer has changed dramatically since the first confirmed object from another star crossed ...

Comets are often treated as leftovers, but sometimes the leftovers become the primary focus. That is the case with 3I/ATLAS, only the third known interstellar object seen crossing the solar system, ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

Scientists believe turbulent “space weather” around distant stars could be scrambling potential alien signals before they ...