A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

Scientists have discovered a new species of dinosaur — one that was dog-sized and roamed what is now the United States around ...

New research revealing details of gold coins found aboard a shipwreck off Colombia provides further evidence that the vessel was the San José galleon, a 300-year-old Spanish warship believed to ...

This week, see zombie fungi trapped in an amber fossil, explore the sun’s hidden south pole, meet tool-using whales that groom each other, and more.

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and millions of glittering galaxies.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An enigmatic skull ...

Scientists studying ancient human remains uncovered in Colombia have found that the people they were researching have no known ancestors or modern descendants.

Orcas were spotted using kelp as a grooming tool on each other, the first known use of tools among cetaceans for something other than hunting prey.

Researchers studying the remains of a prehistoric woman who lived around 10,500 years ago in what is now Belgium have ...

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and millions of glittering galaxies.

These glow-in-the-dark axolotls can regrow lost limbs — and scientists say studying them could eventually help humans do the same.

Scientists captured nematodes that stack themselves into a wriggling, vertical tower for the first time. Watch the tiny architects in action.