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Detection of the Cosmic Gamma Ray Horizon: Measures All the Light in the Universe Since the Big Bang
Radiation from all galaxies
that ever existed suffuses
the universe with a diffuse
extragalactic background
light (EBL). Measuring the
... > full story
Accurate Distance Measurement Resolves Major Astronomical Mystery
Astronomers have resolved a
major problem in their
understanding of a class of
stars that undergo regular
outbursts by accurately
... > full story
Bacterium from Canadian High Arctic Offers Clues to Possible Life on Mars
The recent discovery of a
bacterium that is able to
thrive at minus 15 degrees
Celsius, the coldest
temperature ever reported
... > full story
Hubble Reveals the Ring Nebula’s True Shape
The Ring Nebula's
distinctive shape makes it a
popular illustration for
astronomy books. But new
observations by NASA's
Hubble Space Telescope of
... > full story
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Hidden Population of Exotic Neutron Stars
May 23, 2013 — Magnetars -- the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation -- are some of the most extreme objects known in the Universe. A major campaign using NASA's ... > full story -
Forecast for Saturn's Moon Titan: Wild Weather Could Be Ahead
May 22, 2013 — Saturn's moon Titan might be in for some wild weather as it heads into its spring and summer, if two new models are correct. Scientists think that as the seasons change in Titan's northern ... > full story -
Fragile Mega-Galaxy Is Missing Link in History of Cosmos
May 22, 2013 — Two hungry young galaxies that collided 11 billion years ago are rapidly forming a massive galaxy about 10 times the size of the Milky Way, according to new ... > full story -
NASA’s BARREL Mission Launches 20 Balloons
May 21, 2013 — In Antarctica in January, 2013 -- the summer at the South Pole -- scientists released 20 balloons, each eight stories tall, into the air to help answer an enduring space weather question: when the ... > full story -
NASA's IRIS Mission Readies for a New Challenge
May 21, 2013 — NASA is getting ready to launch a new mission, a mission to observe a largely unexplored region of the solar atmosphere that powers its dynamic million-degree outer atmosphere and drives the solar ... > full story -
NASA Launching Experiment to Examine the Beginnings of the Universe
May 21, 2013 — When did the first stars and galaxies form in the universe? How brightly did they burn their nuclear fuel? Scientists will seek to gain answers to these questions with the launch of the Cosmic ... > full story -
NASA Builds Unusual Testbed for Analyzing X-Ray Navigation Technologies
May 20, 2013 — Pulsars have a number of unusual qualities. Like zombies, they shine even though they're technically dead, and they rotate rapidly, emitting powerful and regular beams of radiation that are seen as ... > full story -
NASA Mars Rover Curiosity Drills Second Rock Target
May 20, 2013 — NASA's Mars rover Curiosity has used the drill on its robotic arm to collect a powdered sample from the interior of a rock called "Cumberland." Plans call for delivering portions of the sample in ... > full story -
Mars Rover Opportunity Examines Clay Clues in Rock
May 18, 2013 — NASA's senior Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by ... > full story -
Nine-Year-Old Mars Rover Passes 40-Year-Old Record
May 17, 2013 — While Apollo 17 astronauts Eugene Cernan and Harrison Schmitt visited Earth's moon for three days in December 1972, they drove their mission's Lunar Roving Vehicle 19.3 nautical miles (22.210 statute ... > full story
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