The sun has unleashed the most powerful solar flare since 2017, just days after it spat out another monster explosion. Both outbursts have launched solar storms that will likely hit Earth this weekend ...

You may have noticed that the Northern Lights have shown up in some unusual places over the past year and a half. That’s ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Hillary K Grigonis An active sunspot could give photographers another reason to ...

In August of 1859, astronomers noticed an unusually large number of dark spots on the sun’s surface. One of those observers ...

The storm could interrupt high-frequency radio transmissions, such as by aircraft trying to communicate with distant traffic control towers. Most commercial aircraft can use satellite transmission as ...

A large solar flare erupted Thursday and is set to reach Earth Saturday, which could result in a strong geomagnetic storm and cause the aurora borealis, or Northern Lights, to be visible across the US ...

Several M-class solar flares erupt within just a few hours late Dec. 25. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In the final hours of ...

Millions of Americans will be able to witness a celestial event not typically visible from their own backyards this week, as a strong solar storm brings the Northern Lights farther south than usual.

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Strong geomagnetic storms and Aurora Borealis lights appearing in Montana, Oregon, Wisconsin and ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

Get ready for another round of auroras! With a Kp index of four, tonight’s aurora activity is a result of Monday’s strong to ...