Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.

Researchers have identified a newly recognized type of extremely energetic particles located in the Sun’s upper atmosphere, revealing a phenomenon that had not been detected before. Solar scientists r ...

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

Our planet was rocked by some of the worst geomagnetic storms in more than 20 years. Triggered by a slew of solar flares, the ...

The sun’s outer atmosphere resembles a pufferfish.

A erupted with M1 and M6 class solar flares. Watch the fireworks in these views from NASA's Solar Dynamics Observatory.

This is read by an automated voice. Please report any issues or inconsistencies here. San Ramon has been rocked by more than 75 earthquakes since November, with a magnitude 4 quake Friday night ...

Multiple earthquakes struck southern Japan on Sunday, rattling a region already known for its persistent seismic activity. No reports of major injuries or structural damage have emerged, and ...

On November 11, 2025, people across the United States looked up in awe. The northern lights, usually reserved for places like Canada and Alaska, were instead visible as far south as Alabama and ...

SAN RAMON, Calif. (KGO) -- A wave of at least nine earthquakes ranging up to a preliminary magnitude of 4.0 struck southeast of San Ramon about 8 p.m. Friday, the U.S. Geological Survey said. Revised ...

(KRON) — A series of six earthquakes rattled in the East Bay Friday evening, according to the United States Geological Survey (USGS). The deepest earthquake was listed to be 9.9 kilometers (or 6.15 ...

A series of earthquakes, including a 4.0 magnitude quake, rattled the area near San Ramon Friday, according to the United States Geological Survey. The first 2.5 magnitude quake was reported around ...