Southwest Research Institute (SwRI) scientists believe they may have resolved a 39-year-old mystery about the radiation belts ...

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

The Sun follows a 22-year magnetic cycle, with solar activity rising and peaking roughly every 11 years. But when conditions ...

Particularly active sunspots have been discovered on the surface of the sun. A solar storm could occur, which can be very ...

When Voyager 2 made its historic flyby of Uranus in 1986, the spacecraft captured the best data humanity had gathered on the ...

New balloon-mounted space radiation probes developed by the Surrey Space Center at the University of Surrey have captured ...

What happens when a planet with no magnetic field gets hit by a massive solar storm? In May 2024, an X class solar flare bombarded Mars, and NASA's robots recorded every terrifying second. This video ...

Within hours of detecting the flare, the UK Met Office and its counterpart in the Netherlands launched a sequence of weather ...

A sunspot, potentially generating multiple solar flares, may lead to auroras that could be visible as far south as Alabama.

Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...