The fast radio burst came from 130 million light-years away. That proximity allowed an in-depth search for what produced the mysterious signal.

Two hatchling pterosaurs with fractured arm bones point to ancient storms as the cause of mass casualties preserved in Germany’s Solnhofen Limestone.

Researchers found that fruit fly sperm push against one another and align in orderly bundles, preventing knots that could block reproduction.

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Rodents may have a rule of thumbnails. Many rodents have curved claws that help the animals climb or dig. But most also have flat nails on their thumbs, researchers report in the Sept. 4 Science. This ...

A new analysis suggests that recent extinctions have been rare, limited mostly to islands and slowing. But others argue this is all just semantics.

Life teems under the Antarctic ice sheet. In subglacial Lake Mercer, it is surprisingly versatile and isolated from the rest of the world.

European artisans turned a Tang Dynasty tomb guardian sculpture into a symbol of medieval Venetian statehood, researchers say.

In The Martians, journalist David Baron recounts scientific and public debate over purported intelligent life on the Red Planet.

The genetically modified lung remained viable for nine days, but the recipient’s immune responses need more research, scientists say.

On Mars, the Perseverance rover found a spotted rock that could bear signs of ancient life. On Earth, a researcher used a lookalike for a dry run.

Sporting the world’s largest digital camera, the new telescope is poised to help solve some of the universe’s biggest mysteries.