NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.

The latest solar flare follows an M-class one, the second-highest on the scale, that occurred days earlier on June 15. It ...

Solar flares can affect us on Earth, and radiation from this flare caused a shortwave radio blackout. A map released by the ...

A succession of powerful solar eruptions in early May last year triggered the most powerful solar storm to hit Earth in 20 ...

An intense solar eruption recently triggered a rare "severe geomagnetic storm" alert for Earth, with the U.S. Naval Research ...

A geomagnetic storm watch has been issued through Saturday, June 14. Late Thursday evening, the National Oceanic and ...

The federal government released the results of a multiday emergency drill intended to assess our ability to handle the next massive solar storm ... an advanced warning system—even if it ...

A powerful X1.2 solar flare erupted from the Sun, causing radio blackouts and sparking warnings of more flares and possible ...

Local weather alerts are familiar warnings for potentially dangerous conditions, but an alert that puts all of Earth on ...

Space weather forecasters say northern lights may be visible in parts of the northern United States following weekend solar storms.

However, all satellites have a natural enemy in space—solar energy. As solar storms increase in frequency, they’re having a negative impact on our satellites. Some of the most prominent ...

An active region at the edge of the Sun blew out an X4 flare (one of the largest of the solar cycle) and a coronal mass ejection on Feb. 25, 2014. 31,228 people played the daily Crossword recently.