Science

So sweat doesn't really smell bad at all. But when bacteria eat the sweat — nostrils, look out! Only it turns out that these sweat-eating critters are responsible for a big health benefit.

The space agency's long-awaited Artemis I mission will have to wait until at least Friday, after a problem with one of the SLS rocket's engines was discovered.

NASA plans to test launch its newest rocket — one it hopes will eventually take astronauts back to the moon. But the rocket's big price tag has some critics skeptical about its future.

NASA is sending an uncrewed spacecraft to circle the moon and return to Earth. It's set to launch Monday, despite thunderstorms over the weekend.

NASA's Apollo missions already sent astronauts to the moon from 1969 to 1972. But scientists say there's still lots of good science to do there. The moon also could be an ideal stepping stone to Mars.

The Artemis I mission is uncrewed, but that doesn't mean the spacecraft is empty. Lots of mementos are making the trip, along with manikins that will help NASA prepare to send humans back to the moon.

Shortly after researchers unearthed the mummified body of a 55,000-year-old Steppe bison in the Alaskan tundra, they sliced off a piece of its neck. To eat!

All summer, NPR's Science Desk has been looking at sweat. Humans are covered with millions of sweat glands, but it wasn't always that way. When did humans start to sweat?

NBC correspondent Richard Engel announced that his son Henry, who had been diagnosed with Rett syndrome as an infant, died on August 9. Here's what to know about the disorder.

The telescope uses a camera with filters that can make a color map out of infrared light, which is invisible to the human eye.