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The International Space Station is an engineering feat that has led to countless scientific discoveries. Like the thousands of satellites in orbit, it manages to stay up in the atmosphere.

PFAS are made up of a chain of incredibly strong carbon-fluorine bonds, which make them difficult to break down.

It's a good idea to make sure your spacecraft can take the heat that comes with reentering Earth's atmosphere before you put people in it.

A narrower, more personalized 'normal range' could help doctors better diagnose and treat disease in individual patients.

AI shopping agents are coming. They could hunt for deals, find the right items and even make purchases - if you trust them to 'get' you, protect your privacy and not coax you into buying too much.

Many of her male colleagues believed Pearl Young had an attitude problem based on her efforts to advocate for herself and her team.

The universe is constantly expanding, but how do scientists think about what it's expanding into?

NASA administrators have hard choices to make, but the outcomes are often out-of-this-world exciting.

A specific set of chemical conditions led to the emergence of life on Earth. But can life emerge from other chemistries?

Chinese hackers are alleged to have broken into US phone networks, giving Chinese intelligence services a window onto specific Americans' phone and messaging activity.