Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar maximum — is when sunspots, solar flares and coronal mass ejections (CMEs) ...

The latest aurora activity is a result of a recent solar flare and could intensify if faster solar winds arrive as forecasted ...

Skies over North America erupted this week with shimmering colors: Shades of pink, purple and green swayed across the skies in Northern as well as some Southern states. It followed two similarly ...

Solar wind speeds remain elevated as an incoming coronal mass ejection approaches Earth, with forecasts indicating increased ...

OVRO-LWA radio data contrasts a quiet day (Sept. 29, 2025) with the hours after the X1.7-class flare recorded at 2:35 ET on Nov. 9. The type III radio bursts, shown in the radio dynamic spectrum ...

How can astronomers observe and study the Sun’s activity in the most efficient way despite the Sun and Earth orbiting each ...

Cryptocurrency investors face an unusual danger lurking 93 million miles away. Solar flares, massive bursts of energy from the sun’s surface, can interfere with the digital infrastructure that keeps ...