A cracked heat shield rattled NASA after Artemis I. Now, Artemis II will put the fix to the test

When Artemis II reenters earth's atmosphere, NASA will test out a new trajectory, calculated after the heat shield for its ...

NASA's moon crew will hit 25,000 mph tomorrow. That's not the scariest part.

Orion will slam into Earth's atmosphere at more than 30 times the speed of sound, in what NASA expects to be the most ...