Sunspot AR3234 blasted an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

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

Sunspot activity increases on November 1, 2025, as new regions emerge on the Sun. Solar flares, coronal mass ejections, and geomagnetic conditions are monitored by NASA/SDO and EarthSky.

Sunspot AR4618 erupted with an M4.4-class solar flare causing a coronal mass ejection (CME) that may give Earth a glancing ...

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

NASA’s Solar Dynamics Observatory photographed a face-like pattern on the Sun, creating a perfectly timed Halloween image.

The most massive stars in the universe are destined to explode as brilliant supernova before collapsing into black holes. Yet ...

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

Researchers have directly observed torsional Alfvén waves twisting through the Sun’s corona — magnetic waves first predicted ...

The Sun developed a jack-o'-lantern face just before Halloween. This spooky appearance was caused by bright active regions ...

A powerful solar storm recently struck Venus, stripping its atmosphere due to the lack of a magnetic field. While Earth was ...