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.

The sun in 2020

See a whole year of sun images, an image a day for 2020, taken by ESA's Proba-2 satellite.

Is a solar flare the same thing as a CME?

Solar Cycle 25 is here, and that means - in the years ahead - more solar flares and more coronal mass ejections, or CMEs. People sometimes use the words interchangeably, but they're not the same thing. Here's the difference.

What are sun pillars or light pillars?

Sun pillars, or light pillars, are shafts of light extending from the sun or other bright light sources under the right atmospheric conditions. They're caused by ice crystals drifting in Earth's air.