When Stars Get Too Close

Cosmic Dawn: The Earliest Stars

Artemis II is almost home. More on the heat shield that has to hold: Coming home from the moon means extreme speed and blistering heat. CNN’s Tom Foreman explains what happens at reentry and why the heat shield is mission-critical. #orion # #artemis2026

The Orion capsule's parachutes have deployed successfully. A perfect descent rate, NASA says.

Cosmic Collision: A Galaxy's Birth