The sun has unleashed the most powerful solar flare since 2017, just days after it spat out another monster explosion. Both ...

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

There is a chance for some geomagnetic storms, potentially making the phenomenon visible in more states, forecasters said.

The Northern Lights wowed millions during a severe geomagnetic storm, visible across 18 U.S. states. Another aurora display ...

Skywatchers can expect stunning northern lights during the Labour Day holiday due to a solar storm caused by a coronal mass ejection (CME) from the sun. This storm, resulting from an M2.7 solar flare, ...

Vibrant aurora displays could be visible in up to 18 U.S. states ... On Saturday (Aug. 30), sunspot 4204, located near the ...

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

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 ...

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 ...

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 ...

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 ...

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 ...