Elements making up the shredded remains of a massive star that exploded in a supernova are highlighted in this three-panel…
These illustrations show the progression of a supernova blast. A massive star (left), which has created elements as heavy as…
A new composite image using data from from Chandra shows an extraordinary jet trailing behind a runaway pulsar.
Overall view of the Mission Operations Control Room in the Mission Control Center, Building 30, during the Apollo 9 Earth-orbital…
The mystery of how Cassiopeia A exploded is unraveling thanks to new data from NASA's Nuclear Spectroscopic Telescope Array, or…
New observations from NASA's Nuclear Spectroscopic Telescope Array of the heart of the Cassiopeia supernova remnant are allowing researchers to…
An active region of the sun just rotating into the view of NASA's Solar Dynamics Observatory gives a profile view…
An beautiful auroral corona as seen in Fairbanks, Alaska on Feb. 18, 2014.
Aurora seen East of Hartford, South Dakota on Feb. 18, 2014.
Launched from Kennedy Space Center on February 11, 1997, STS-82 was the second mission intended to service the Hubble Space…