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 ...

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

During winter in the United States, the Earth's Northern Hemisphere is tilted away from the sun. Less sunlight shines ...

Scientists tracked active solar region NOAA 13664 for 94 days, showing how persistent magnetic complexity drives flares and ...

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 ...

Every second, the Earth spins at an incredible speed, completing a full rotation in just 24 hours. While this may seem ...

It may be surprising to many that the Earth is closest to the Sun in January, while at the same time, much of the Northern ...

The Sun’s magnetic field is invisible to our eyes, but it quietly shapes everything from the shimmering auroras over the ...