Science Mission Directorate

NASA Selects 2 Instruments for Artemis IV Lunar Surface Science

NASA has selected two science instruments designed for astronauts to deploy on the surface of the Moon during the Artemis IV ...
Smithsonian Magazine

A Weak Spot in Earth’s Magnetic Field Is Growing, but Scientists Say Not to Worry. Here’s a Look at What Shields Us From Space Weather

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...