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 ...

In an unusual perspective for an Earth-observing satellite, the Copernicus Sentinel-2 mission captured this image of the moon, Earth's only natural satellite. The Sentinel-2 mission acquired this ...

To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our home planet from above, countless NASA astronauts have described feeling ...

AUSTIN (KXAN) — The Earth is getting darker; the planet itself, when viewed from space, appears darker than it did in the past. The upper half actually appears to be getting darker than the bottom ...

This story was originally published in the May 15, 2003, issue of Rolling Stone. Read more from that issue and the 2026 American Icons package here. I cons are hard to erase or replace. They’re ...