Tryptophan, the essential amino acid behind the Thanksgiving myth that eating turkey can make you sleepy, has been found to exist on Bennu, a small asteroid that swings by our planet about every six ...

Picture this. You're sitting at breakfast, scrolling the news, when suddenly headlines scream that a space rock the size of a football stadium is barreling toward Earth. Your coffee goes cold. Your ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...