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Over 550 men in California have fallen ill after cutting natural or factory-made stone countertops. But epidemiologists say this isn't just a California problem.

The Devils hole pupfish lives in just one spot in Death Valley. Wildlife officials have managed this iconic fish for decades, and last spring, just as the Trump administration was laying off all kinds of scientists, the wild population of this fish plummeted to only 20 individuals. Officials then took an irrevocable step.

Pioneering scientist J. Craig Venter has died at 79. His "whole genome shotgun method" helped genome sequencing become faster and cheaper.

The four astronauts on NASA's Artemis II lunar mission are set to return to Earth Friday evening. The crew is wrapping up a journey around the moon with a planned splashdown off San Diego, Calif.

Monday is an important day on NASA's Artemis II mission. The crew is preparing for its lunar flyby and setting a record along the way: the farthest that humans have ventured in space.

With the last major firing of its engine, the Artemis II spacecraft is now on a path that will take it around the moon and back.

NASA's Artemis II mission lifted off from Kennedy Space Center in Florida at 6:35 p.m. Eastern Wednesday. The mission aims to send four astronauts around the moon on a roughly 10-day journey.

On Wednesday, the crew of NASA's Artemis II could blast off on a mission around the moon and back. No astronaut has ventured out to the moon since the 1970s.

The four astronauts heading to the moon for the lunar fly-by are the first humans to venture there since 1972. The ten-day mission will travel more than 600,000 miles.

A surprising new study shows that baby chickens react the same way that humans do when tested for something called the "bouba-kiki effect," which has been linked to the emergence of language.