Solar superflares hit Earth multiple times

Scientists found evidence for solar superflares thousands of years ago from evidence in tree rings. Could a solar superflare happen again in the future?

Total solar eclipse of December 4, 2021

A total solar eclipse occurs December 4, 2021. The total phase sweeps over Antarctica, while the partial phase reaches southernmost points of three continents.

Aurora alert! Pair of CMEs to jolt Earth’s magnetic field

Aurora alert! A pair of coronal mass ejections will reach Earth September 1-2, 2021. Though not dangerous to satellites or the grid, they might cause auroras.

A 1967 solar storm nearly caused a nuclear war

The U.S. Air Force began preparing for war on May 23, 1967, thinking that the Soviet Union had jammed a set of American surveillance radars. But instead the powerful 1967 solar storm was to blame.

Favorite photos of ‘ring of fire’ solar eclipse

Stunning photos of the June 10, 2021 'ring of fire' solar eclipse photos.

Why is the sun’s atmosphere hotter than its surface?

The sun's atmosphere, or corona - the wispy part we see during solar eclipses - is hundreds of times hotter than the sun's visible surface, or photosphere. Why?

‘Ring of fire’ solar eclipse on June 10

The moon will sweep in front of the sun June 10 to stage 2021's first solar eclipse. A bright ring, the sun's outer rim, will surround the moon at mid-eclipse.

Awaiting the next historic solar storm

Researchers uncovering eyewitness accounts of powerful solar storms of the past say we should expect at least one super-storm from the sun per century.

Check out these new Sun Science stamps!

The US Postal Service announced that they'll be releasing a series of stamps highlighting images of the sun captured by NASA's Solar Dynamics Observatory.

SDO spies its 1st lunar transit of 2021

NASA's Solar Dynamics Observatory has been continuously observing the sun since its launch in 2010. From its vantage point above Earth, it sees the moon pass in front of the sun 2 to 5 times a year.