Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from asteroids and comets... What space dust reveals about Earth's ice age Around ...

The seemingly sterile vacuum of space isn't much "cleaner" than Earth, with cosmic dust constantly raining down and coating our planet's surface. Now, researchers have found a way to trace back Arctic ...

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long history of reshaping the planet’s climate. As astronomers refine how these ...