Space Weather, Solar Flares & Sun Storms: Latest News

A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into view with more activity likely.

Auroras may be visible from Alaska to Idaho as a speedy solar wind continues to buffet Earth's magnetic field.

Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous.

The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.

It's not every day you see both a comet and an aurora from low Earth orbit.

Solar storms don't just trigger impressive auroras; they can scramble the GPS systems U.S. farmers rely on.

A powerful geomagnetic storm created a series of brilliant auroras recently for observers across North America.

The eruption was accompanied by a CME, which is currently under analysis to assess whether any part of it is headed for Earth.

NASA's twin ESCAPADE Mars probes are on their way to the Red Planet — but it's a circuitous route with a year-long layover.

The Nov. 13 launch of two Mars probes atop Blue Origin's powerful New Glenn rocket was a big deal for a variety of reasons. Here's a brief rundown.