It was a cold day at Cape Kennedy as SDO rose slowly into the sky. Eight years later, SDO has sent over 260 million images of the Sun to th...

Earlier the week we received our conjunction report that lists satellites that will pass close to SDO. Our inclined geosynchronous orbit mea...

Today, October 6, 2011, is German-American Day, when we celebrate the arrival of German immigrants in Philadelphia in 1683. Germans have wor...

I received a request to tell the history of the SDO patch. The patch is derived from the sticker developed early in the mission. Initial des...

White Sands Missile Range has notified the EVE team that their calibration rocket is now delayed. The team will safe the payload and return ...

As of 10:00 am ET this morning the AIA images are about 15 hours delayed. The problems with the ground processing software have been correct...

The next launch of our EVE calibration payload is on NASA sounding rocket 36.275 planned for February 23, 2011 from the White Sands Missile ...

At 10:23 am ET February 11, 2010, SDO launched from SLC 41. 108 minutes later SDO became a spaceship! Happy Birthday SDO!

At 1940 UT (2:40 pm ET) on February 9, 2011 SDO will execute a Delta-H maneuver. This is a planned activity. Science data will be interrupte...

The JSOC is repaired, the pipeline is running, and the images are again flowing to our near-realtime partners. Just in time for the region w...

Check out the new SDO app at the Android marketplace! You can view SDO images on your Android phone anywhere you have a network connection. ...

Today (December 9) the AIA Science Team is adjusting the guide telescopes on AIA. One of these small telescopes is mounted above each scienc...

Based on discussions with the science teams, it was decided to use the new offset procedure for future Lunar Transit operations to minimize ...

The second HGA handover season ended on November 1. Operations went smoothly throughout this handover season and another Lunar Transit on 11...

Here comes the Moon! Right on schedule the Moon passes between SDO and the Sun, seen here in the AIA 171 bandpass. We use these transits to ...

Images are flowing from the JSOC to the SDO website again.

The EVE cruciform was delayed for one day and performed on Thursday. Some of the images in Thursday's movies were taken when SDO was po...

Check out the latest 48 hour movies to see some spectacular prominence eruptions on both sides of the Sun! AIA 304 48 hour movie.

The HMI instrument onboard SDO uses Helioseismology to look at "sunquakes" to determine some of the physical properties and motion...

With a large active region currently in the northern hemisphere of the Sun, there has been a flurry of small solar flares over the past day....