Scientists find unlikely new way to track space junk: sonic booms in the atmosphere

Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their ...

NASA is about to send people to the moon — in a spacecraft not everyone thinks is safe to fly

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the spacecraft’s heat shield.

4 astronauts depart ISS, leaving behind just 3 crewmates to staff the orbiting lab

Four astronauts are set to depart the International Space Station Wednesday amid a health concern. The unprecedented early departure will leave behind a skeleton crew.

NASA crew to make rare early return after medical issue in space

A group of astronauts will return from the International Space Station more than a month ahead of schedule after an unnamed crew member experienced a medical issue.
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She just became the first wheelchair user to travel to space

(CNN) — Michaela Benthaus, a 33-year-old German aerospace and mechatronics engineer at the European Space Agency, just became the first wheelchair user ever to travel past the Kármán Line — a common ...
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He spent 20 years at SpaceX. Now, he’s making history with its biggest competitor

(CNN) — A Blue Origin rocket will soon launch carrying an unconventional passenger in a history-making moment made possible by a high-profile former employee of the company’s biggest rival. Michaela ...

Retired NASA astronaut shares what it is like to be sick in space

Four astronauts are making an abrupt exit from the International Space Station because one crew member is experiencing a medical concern. CNN’s Boris Sanchez is joined by retired astronaut Clayton ...