Sun unleashes strongest solar flare of 2025, sparking radio blackouts across Africa and Europe
The X5.1-class eruption from sunspot AR4274 is this year's most powerful solar flare and Earth is in the firing line.
Northern lights may be visible in 15 US states tonight
Auroras may be visible from Alaska to Iowa as an incoming flurry of coronal mass ejections could spark geomagnetic storm conditions overnight.
Aurora alert! Sun fires off 2 colossal X flares as multiple CMEs race toward Earth
Geomagnetic storm conditions are possible Nov. 10 through Nov. 12.
Powerful geomagnetic storm sparks stunning northern lights across North America (photos)
The storm hit earlier than predicted, surprising skywatchers with a delightful aurora show.
Northern lights may be visible in 22 US states tonight
Auroras may be visible from Alaska to Illinois as geomagnetic storm conditions are predicted to continue tonight.
Surprise geomagnetic storm arrives early as NOAA warns more solar impacts are on their way
Northern lights danced overnight and more displays may follow tonight, as solar storms continue.
Astrophotographer captures fiery plasma dancing above the sun in stunning close-up video
Astrophotographer Mark Johnstron captured a mesmerizing cloud of hydrogen plasma dancing above the sun's limb in this breathtaking video.
Sun unleashes 2 colossal X-class solar flares, knocking out radio signals across the Americas and Pacific
The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.
Watch the biggest and brightest full moon of 2025 shine today with this free supermoon livestream
Don't miss 2025's closest full moon with this free livestream from Italy with the Virtual Telescope Project. The livestream will begin at 2 p.m. EST (1900 GMT)
Astronomer captures 2 meteors slamming into the moon (video)
The brief flashes were captured from Earth and could be from the Taurid meteor shower.