The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

In the wake of the solar flares, the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center ...

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...

An X1.8 flare has erupted from a cluster of sunspots designated as AR 4274. This is the first eruption of this intensity in ...

The sun is a dynamic part of our solar system, and it throws plasma and radiation out into space regularly. But not all of ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

Solar flares, the sudden bursts of radiation that erupt from the Sun’s atmosphere, have become a topic of intense scrutiny ...

NASA scientists are investigating an unexplained energy burst from 3I/ATLAS, an interstellar comet emitting unusual gases and ...

Astronomers observed a massive, multi-temperature plasma eruption from a young Sun-like star, revealing how early solar ...

A massive comet known as 3I/ATLAS that was first discovered zooming across the solar system over the summer showed signs of ...

From communications outages to a brush with nuclear war, solar events like flares and coronal mass ejections have shaped ...

A global team observed a massive plasma burst from EK Draconis, showing how early solar storms may have shaped young planets.