Earth and Mars Were Formed From Collisions of Large Bodies Made of Inner Solar System Material

Earth's first giant

Templating Approach Stabilizes “Ideal” Perovskite Material for Cheap, Efficient Solar Cells

Rollout complete! The James Webb Space Telescope and the Ariane 5 rocket it’s riding on are all settled in their final position on Earth. Next step: launch on Dec. 25 at 7:20 am ET (12:20 UTC) to #UnfoldTheUniverse