String theory is a powerful idea, unfinished and untested, but one that has persisted for decades despite inauspicious beginnings.

The new virus — a type of coronavirus — may be able to spread between people under certain circumstances.

What could this tell us about the aging process in humans?

Scientists sank three alligator corpses into the Gulf of Mexico to see whether bottom-dwelling sea creatures could eat them. They did — handily.

The turbulent lower Congo River, home to hundreds of fish species, is not only Earth's deepest river; it also presents biologists with an intriguing window into evolution.

An astrobiologist explains how alien life could exist and we wouldn't notice it.

The US Navy confirmed they have secret, classified documents regarding a 2004 UFO encounter, but releasing them could 'gravely damage' national security.

Here are the stories behind the most amazing images in the world of science this week. A recap of the coolest photos featured on Live Science.

Chinese researcher He Jiankui, who created the world's first genome-edited twins, has been sentenced to three years in prison.

Google claims quantum supremacy – IBM says not so fast. One researcher explains why he doesn't see quantum computers outpacing classical computers any time soon ... and maybe not ever.

The Oculus Go is a fantastic first step into the world of virtual reality and now you can get it for just $149, saving you 25%.