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

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

NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the ...

Comet 3I/ATLAS—the third interstellar object ever known to pass through our solar system—is accelerating and now approaching its closest point to Earth. “Significant” non-gravitational accelerations ...

The Sun is currently in its active phase and has been unleashing a steady stream of powerful solar flares, triggering severe geomagnetic storms on Earth. But the consequences of these solar outbursts ...

High above a storm, a mysterious red ring appeared for a split second. Here's how one photographer captured the elusive "elve." When you purchase through links on our site, we may earn an affiliate ...

HUNTINGTON, W.Va. (WSAZ) -A second night of northern lights (NL) sightings was much more tempered across the region last night. Our friends at spaceweather.com ticketed the best viewing in states ...

Amateur astronomers across Europe have reported similar sightings. Michael Jaeger of Austria, who has been tracking 3I/ATLAS since Nov. 4, captured a spray of four or five plumes. "We have something ...

Comet 3I/ATLAS reappears in the predawn sky, showing a strange, complex tail in new images. (Michael Buechner, Frank Niebling) Amateur astronomers across Europe have reported similar sightings.

"This comet was not supposed to survive its Oct. 8th perihelion," Bartlett told Spaceweather.com. "But it did survive, and now it is displaying a red/brown/golden color rarely seen in comets." The ...

Astronomers in the U.S. are tracking a rare comet—C/2025 K1 (ATLAS)—which is something quite special. While comets typically appear green or sometimes blue in sunlight. because of their different ...