The natural world is full of mystery, but nothing captures the imagination quite like enigmatic sounds that defy explanation. From eerie hums to strange underwater noises, these anomalies leave even ...

Space horror is a part of our popular culture. An episode of "Doctor Who" called "Listen," featuring Peter Capaldi in the titular role, saw the Doctor investigate a supposed creature that can never ...

The mystery behind a "strange noise" that a NASA astronaut heard coming from the Boeing Starliner spacecraft while aboard the International Space Station has been solved, the space agency said Monday.