Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop for three months as it unleashed powerful space weather. By combining views ...

"This is the largest solar radiation storm in over 20 years," the Space Weather Prediction Center said on Monday.

Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes and 4 seconds with respect to other distant stars. Scientists call this difference crucial to ...

Discover how the Earth started spinning, the impact of the Theia collision, and how the Moon's gravity is gradually slowing our days.

You're not imaging it. The sun has been rising later in Illinois following the winter solstice. But the days aren't getting shorter. Here's why.

Right now, you're zooming through space at incredible speeds. As just one of all the living creatures on Earth, you're along for the ride as our planet constantly moves in two major ways. First, ...

A day with 25 hours? It sounds like a fantasy, but scientists are uncovering the slow dance of Earth's rotation that could make it a reality.