40 years after Challenger: Lingering guilt and lessons learned

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

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 Orion spacecraft’s heat shield.

Your name can fly on Orion capsule during NASA's Artemis rocket launch

Four astronauts are about to fly around the moon on NASA's Artemis 2 mission, and you can join them by adding your name to ...