Unpredictable solar activity is causing satellites to fall to Earth. Intense solar phenomena have contributed to the ...

Sunspot AR3767 erupted with a X1.7-class solar flare, followed by an X1.1-class flare from sunspot AR3780. NASA's Solar ...

Syed Ayaz, a researcher at The University of Alabama in Huntsville (UAH), has published a paper in Scientific Reports that ...

Voyager 2's 1986 flyby of Uranus, the main source of our knowledge of the icy planet, could have come at the same time as a ...

Dubbed the Carrington Event, the flare challenged perceptions of Earth's relationship with the sun, heavily impacting early ...

Unexpected solar activity caused Binar satellites to re-enter early, illustrating challenges of solar weather in low orbit.

Sunspots captured astronomers' interest, and with the expanding availability and quality of telescopes, were closely tracked until 1645. Despite huge interest in them, astronomers could find no ...