Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

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

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop ...

When we think about orbits, we usually picture the Earth zooming around the sun. But does the sun just sit there? Or is it on its own journey? I asked my friend Guy Worthey. He’s a space scientist at ...

Everyone knows that the Earth rotates in space, which is why we have the day and night cycle. What many people may not realize, however, is that the sun is also rotating. It takes about 25 days for ...