Related Site
Science Mission Directorate:
Understanding the Sun, Heliosphere, and Planetary Environments as a single connected system is a goal of the Heliophysics Research Program.
Latest Solar Images
 Quiet Corona, Upper Transition region |  Chromosphere, Transition region; |  Composite |  Magnetogram of Photosphere |
> More solar images from Solar and Heliospheric Observatory (SOHO)
Feature Stories
-
Marshall Islands Campaign Completed
The launch of a NASA Terrier-Improved Orion sounding rocket on May 9 brought to an end a very successful campaign studying ionospheric activity and its impact on radio, communication and navigation signals.
-
NASA Invites the Public to Fly Along with Voyager
NASA's twin Voyager spacecraft are on the verge of plunging into interstellar space -- the space between stars -- and two new Web tools let the public fly along.
-
Three Years of SDO Images
Since it first provided images of the sun in spring 2010, SDO has had virtually unbroken coverage of the sun's rise toward solar maximum.
-
EUNIS: Six Minutes in the Life of the Sun
The EUNIS experiment was successfully launched at 1:30 pm EDT on April 23, 2013 from the White Sands Missile Range in New Mexico. Preliminary data shows that the experiment performed as planned.
News
-
Three X-class Solar Flares in 24 Hours
The sun's third significant solar flare in under 24 hours -- and the strongest so far of 2013 -- peaked at 9:11 p.m. EDT on May 13, 2013.