A joint European-Chinese spacecraft is set to blast off Tuesday to investigate what happens when extreme winds and giant ...

Our magnetosphere plays the role of gatekeeper, repelling unwanted energy that's harmful to life on Earth, trapping most of it a safe distance from Earth's surface in twin doughnut-shaped zones called ...

Earth’s magnetic bubble, the invisible shield that normally deflects charged particles from the Sun, briefly shrank to a fraction of its usual size during a recent superstorm, exposing satellites and ...

Despite problems during the unpiloted Artemis I reentry, the Artemis II crew is confident their heat shield will protect them during a fiery descent to Earth.

This could be dangerous to the astronauts on board Artemis 2. Therefore, Artemis 2's Orion will instead enter Earth's ...

Four-and-a-half billion years ago, Earth’s surface was a menacing, hot mess. Long before the emergence of life, temperatures were scorching, and the air was toxic. Plus, as a mere toddler, the Sun ...

The Artemis II heat shield, NASA agrees, is flawed. The heat shield is the critical layer at the bottom of a spacecraft that protects it — and the astronauts inside — from searing temperatures upon ...

Social media users were quick to point out what looks like a large piece of missing material from the bottom of the ...

When the Artemis II Orion crew capsule returns to Earth on Friday after flying around the moon, it will hit the discernible atmosphere some 75 miles above the Pacific Ocean at a blistering 24,000 mph ...