It’s impossible to forget just how much the sun affects life on our planet. It’s overwhelmingly the source of our light and heat, providing just enough to maintain the delicate climatic balance we ...

For more than two decades, a global network of telescopes has been eavesdropping on the sun by tracking millions of tiny ...

When the Sun runs out of hydrogen fuel and expands into a red giant, it will eventually encompass the innermost planets of the solar system, out to about Earth’s orbit. Being closer to our enlarged ...

PITTSBURGH (KDKA) - If you asked someone to color a picture of the Sun, most people would likely choose the yellow crayon. Depending on the time of day, because we observe the Sun through our ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the expanding sun will turn the inner planets into cinders. It will almost ...

"These first images of the solar poles are just the start." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The European Space Agency's Solar ...

This year has given stargazers plenty of opportunities to catch the colorful auroras of the northern lights flicker across the night sky, and that's expected to continue as the sun is now in its solar ...

While meteorologists like to call fall at the beginning of September, astronomical autumn starts later, on the autumnal equinox. This year, it falls on Sunday, Sept. 22 at 8:44 a.m. EDT (12:44 UTC), ...

The sun rises and sets every day. We plan our lives around it. It's ironic, then, that "we know so little about the star at the center of our solar system," says Matina Gkioulidou, a space physicist ...

Comet 3I/ATLAS was expected to come within 130 million miles of the sun on Oct. 30. For the time being, 3I/ATLAS will remain on the opposite side of the sun from Earth, making it impossible to observe ...