The J-2X engine before installation at the Stennis Space Center.› Feature
A new study has used Chandra X-ray Observatory data to identify what triggered the famous Kepler supernova explosion.› View Video
NASA's Payload Operations Integration Center (POIC) is celebrating 12 years of science support for the International Space Station.
New results from Chandra and other X-ray telescopes have provided clues about the relation between the radius of a neutron star and its mass.
J-2X rocket engine testing continues at NASA's Stennis Space Center in Mississippi with the second in a series of tests conducted on Feb. 27.
On Feb. 22, NASA Administrator Charles Bolden toured a Marshall Center rapid-prototyping facility critical to building the nation's next rocket.
Dr. Chryssa Kouveliotou has been named senior scientist for high energy astrophysics within the Science and Technology Office at the Marshall Center.
NASA engineers conducted the first in a new round of tests on the next-generation J-2X rocket engine Feb. 15 at Stennis Space Center.› View Video
New data from Chandra suggests a highly distorted supernova remnant may contain the most recent black hole formed in the Milky Way galaxy.› Photo
A J-2X engine, right, is being transported to the A-2 Test Stand at the Stennis Space Center in Mississippi.
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NASA has conducted the second Flight Control Test of solid rocket booster avionics, part of the first two test flights of the Space Launch System.
Chandra spies on superbubbles -- huge cavities in the gas clouds around massive stars, carved by supernova winds and shock waves.
To help develop the nation's future heavy lift rocket, NASA resurrected the mighty F1 -- the world's most powerful rocket engine ever flown.› Photo
NASA optics engineering expertise is allowing solar scientists to see into the sun's corona in unprecedented detail.
On Jan. 10, 2013, the Saturn V F-1 gas generator completed a 20-second hot-fire test. Engineers are completing a series of tests at Test Stand 116 located in the East Test Area at NASA's Marshall Spac...› View Image
Dr. Chryssa Kouveliotou was selected as the 2012 recipient of the Dannie Heineman prize in astrophysics.
NASA advanced propulsion researchers are a step closer to safely sending human explorers to Mars and other solar system destinations.
A jet of particles produced by a rapidly rotating neutron star may provide new insight into the nature of some of the densest matter in the universe.
Tim Livengood confirms the setup on a friction stir weld test fixture at NASA's Michoud Assembly Facility in support of the agency's Space Launch System.› View alternate image #1
A large elliptical galaxy at the center of the galaxy cluster PKS 0745-19, part of a survey of 18 of the biggest black holes in the universe.