You might think astronomers have seen it all, but the universe still throws us occasional new mysteries to keep us on our ...

The region has unleashed at least two powerful solar flares in the last 12 hours, and experts are certain there's more to ...

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 ...

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

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

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

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

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

These young-star outbursts likely have tremendous power to strip away or alter the atmospheres of nearby planets. Until now, scientists could only measure the cooler parts of these stellar explosions, ...

There's one happening tonight and the NOAA is even promising how the spectacular aurora display will be visible as far south ...

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

A solar eclipse unsettles the natural world in ways you might not expect. As the moon crosses paths with the sun, the sudden ...