The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar ...

Earth's magnetic field was struck by a "severe" solar storm yesterday (Jan. 19), triggering vibrant auroras in the U.S. and ...

A vast, magnetically tangled sunspot has rotated into direct view of Earth, raising the prospect of powerful solar eruptions in the coming days. The active region is large enough to dwarf our planet ...

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.

The sun is not only our closest stellar neighbor, it's also the star we understand the most. As we've observed it over the centuries, we've learned that the sun is not an immortal constant. It goes ...

A gigantic cluster of sunspots — collectively around the same size as the one that birthed the largest solar storm in recorded history — has just emerged on the sun's Earth-facing side, and is now ...

The powerful X1.1 solar flare from sunspot region 4298 sparked strong radio blackouts on the sunlit portion of Earth at the time of eruption. When you purchase through links on our site, we may earn ...