Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.

Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

X1.9-rated solar flare erupted from sunspot 4341 on January 18, causing R-3 radio blackouts.

An X-class solar flare has produced an Earth-directed coronal mass ejection, increasing solar activity and raising the likelihood of geomagnetic impacts within 24 hours.

A coronal mass ejection, or CME, is a massive cloud of solar plasma and magnetic field that can be hurled into space ...

A record-breaking study into a giant sunspot that triggered Earth's biggest geomagnetic storm in more than two decades has revealed surprising new details about the explosive dark patch. The monster ...

The Van Allen radiation belts, massive regions of charged particles trapped by Earth's magnetic field, have become "fully charged" due to repeated solar storms. A space weather observer warns that the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Sunspot AR 13364 grew to be up to 15 times wider than Earth and unleashed nearly 1,000 different ...

Auroras may be visible from Alaska to Colorado tonight as a speedy coronal mass ejection impacts Earth.

A powerful X1.9 solar flare erupted on January 18, launching a fast coronal mass ejection toward Earth. Forecasters warn of ...

NASA explained that the flare was classified as an X1.9 flare. X-class flares are the most powerful type of solar flares. The number 1.9 shows how strong the flare was within this highest category.

China's population continues to shrink. Government statistics released on Monday revealed the population fell for the fourth ...