flare

What Was the Carrington Event?

In 1859, the Sun gave off the most powerful solar flare on record. A blast of radiation and particles so…

4 years ago

Clear Skies Tonight? Go Out and See the Aurora

Talk of aurora is in the air. ¬†Our earlier story today by Elizabeth Howell alerted you to the possibility of…

6 years ago

This Was the Best Watched Solar Flare Ever

Are giant dragons flying out of the Sun? No, this is much more awesome than that: it's an image of…

6 years ago

Giant sunspot convulses but all quiet on the aurora front … for now

What a crazy sunspot cycle. Weeks go by with only a few tiny spots freckling the sun, then all at…

7 years ago

Watch the Sun Split Apart

Here's your amazing oh-my-gosh-space-is-so-cool video of the day -- a "canyon of fire" forming on the Sun after the liftoff…

7 years ago

These Are Really, Really Big Sunspots Facing Earth Right Now

Do you feel like you're in the firing gallery? These sunspots are practically square-on to Earth right now. Although they…

7 years ago

Yet Another X-Class Flare From AR 1748

Last night, as Commander Hadfield and the Expedition 35 crew were returning to Earth in their Soyuz spacecraft, the Sun…

7 years ago

AR1654 is a Monster Sunspot. (And It’s Aiming Our Way.)

Active Region 1654 on the Sun's western limb, seen by SDO on Jan. 11 (NASA/SDO/HMI team. Diagram by J. Major.)…

8 years ago

Incoming! CME On Its Way Toward Earth

As you read this, a huge cloud of charged solar particles is speeding toward our planet, a coronal mass ejection…

8 years ago

Sunspot 1520 Fires a Flare

Remember that cool animation I posted earlier of AR1520 and how I said there's no guarantee it wouldn't unleash an…

8 years ago