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

Many people who don’t believe one conspiracy theory about that station—known as the High-frequency Active Auroral Research ...

Scientists simulated an asteroid impact, and Deinococcus radiodurans’ cell membranes made it through. This suggests that life-forms flung into space by violent impacts may have colonized planets and ...

PBS News Hour is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

President Donald Trump has once again done what he often does best in moments of war and tension: he dropped just enough language to ignite a firestorm of speculation, without giving the public ...