Live Science

The U.S. military has an uncrewed mini-shuttle called the X-37B. Here's what we know about this secret space plane.

Multiverse theory suggests we live in one of an infinite number of universes.

This is the first video evidence of a tortoise hunting anything.

The Food and Drug Administration granted full approval to Pfizer-BioNTech's COVID-19 vaccine on Monday (Aug.23). It's the first COVID-19 vac...

Despite several remodels and deep cleanings, the building continued to harbor the bacteria.

Certain weird gravity conditions would make it possible to travel through a wormhole and back.

A telescope in China has mapped out what may be a totally new arm of our home galaxy.

As parts of New England brace for Hurricane Henri to make landfall in New York Sunday (Aug. 22), astronauts and satellites are tracking the...

Asteroids are packed with gold and other valuable resources. And the best way to harvest those metals may be to bring space rocks to Earth.

Scientists have figured out the average color of the universe by recording visible light from more than 200,000 galaxies.

NASA must again stop work on its human moon lander partnership with SpaceX due to a Blue Origin lawsuit, further risking the agency's tight...

Why do people sometimes gain weight after they start to exercise regularly?

The hippocampus is a small region of our brain responsible for memory, learning and navigation.

A metal detectorist found a 1,400-year-old sword pyramid in England, which was likely a status symbol for an elite warrior.

Sea snakes, particularly males, are more likely to interact with scuba divers during mating season because the snakes can't distinguish the...

Snakes use an audio trick to cause approaching mammals to underestimate their distance to the snakes, creating a safety buffer region betwee...

Astronomers discovered a 3,000-light-year-long 'break' in the Milky Way's Sagittarius spiral arm, jutting out at a wild angle.

SpaceX's Starlink satellites are involved in about 1,600 close encounters between two spacecraft in low Earth orbit every week, according to...

Chinese astronomers hope to establish a major observatory program on the roof of the world, the Tibetan Plateau, with new research arguing f...

In healthy children and adults, the virus typically causes mild, cold-like symptoms; but it can cause more serious disease in infants and th...

The new phase of matter behaves like a solid and a frictionless liquid at the same time

Scientists used an unconventional method of creating nuclear fusion to yield a record-breaking burst of energy of more than 10 quadrillion w...

The partial breakup of China's Yunhai 1-02 military satellite on March 18 is no longer mysterious.

A farmer in China found a 90 million-year-old fossilized turtle egg that has an embryo inside it.

The partially mummified remains of an urbane Pompeii resident have been discovered in a tomb outside the city center.