A powerful X1.1-class solar flare was released by the sun on March 28, resulting in radio blackouts across North and South America ...

Earth's atmosphere is much more sensitive to ripples of radiation from the sun than scientists previously believed, new ...

The sun has just ... The X9.05 solar flare peaked at 8:10 a.m. EDT (1210 GMT), triggering shortwave radio blackouts over Africa and Europe, the sunlit portion of Earth at the time of eruption.

After last week's explosive X-flare, sunspot AR4046 is at it again! Could this latest eruption bring stormy space weather to Earth?

The Sun has started spooky season with a bang, letting loose on October 1 with a colossal flare and coronal mass ejection headed right for Earth. The flare clocked in at X7.1 – the second most ...

The young sun was dimmer but far more active than it is today, with solar flares packing a bigger punch than they do now. “We know that life started on Earth about 4 billion years ago ...

Credit: NASA / SDO and the AIA, EVE, and HMI science teams, helioviewer.org The sun ... flares — at 25% over the next three days. If such an eruption occurs and is accompanied by a CME, Earth ...