In the final hours of Christmas Day, the sun fired off four solar flares within less than three hours.

A festive auroral display may be put on for a lucky few when coronal mass ejections hit Earth on Christmas Eve and Christmas Day.

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

It's been a busy year on the sun, as it officially entered the peak of its roughly 11-year cycle of activity, known as solar ...

In what would be an unprecedented event, Earth is facing the devastating effects of a solar superflare with the force of thousands of atomic bombs. This phenomenon, which unfolds i ...

We explain this extraordinary phenomenon—and why solar flares and coronal mass ejections go together like spots on Dalmatians ...

This Christmas Day, the skies may add to the festive cheer with a display of auroras, thanks to a blob of charged particles ...

NASA's Parker Solar Probe flew closer to the sun than any human-made object ever — a stunning technological feat that ...

As scientists continue to monitor the sun with missions like the ESA’s Solar Orbiter, they remain prepared for both the ...

Solar Cycle 25’s peak to bring more solar flares and geomagnetic storms Widespread auroras expected due to continued solar ...

By historical definition, Solar Cycle 1 occurred between 1755 and 1766, placing the sun 's current cycle in Solar Cycle 25.

As we approach solar maximum, the solar flares are coming faster and faster. Mostly, it means Earthbound viewers get more than our normal share of nights illuminated by the aurora. More intense ...