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January 10, 2006
Black holes are creating havoc in unsuspected places, according to a new study of images of elliptical galaxies made by NASA's Chandra X-ray Observatory. The discovery of far-reaching explosive activity, due to giant central black holes in these old galaxies, was a surprise to astronomers.
The Cha...
August 18, 2005
NASA is targeting March for the next Space Shuttle mission (STS-121). The mission will be the second test flight to the International Space Station in the Shuttle Return to Flight sequence.
NASA Administrator Michael Griffin and Associate Administrator for Space Operations Bill Gerstenmaier mad...
August 16, 2005
Scientists funded by NASA have made big strides in learning how to forecast "all clear" periods, when severe space weather is unlikely. The forecasts are important because radiation from particles from the sun associated with large solar flares can be hazardous to unprotected astronauts, airplane oc...
August 04, 2005
WASHINGTON -- Space Shuttle mission managers today completed their assessment of Discovery's fitness to handle the rigors of re- entry into the atmosphere.
"We have cleared Discovery to re-enter," said Wayne Hale, chairman of the Mission Management Team (MMT), during a news conference at NASA's...
August 03, 2005
With surgical precision, the crews of the Space Shuttle Discovery and the International Space Station today completed a delicate operation to remove loose material sticking out between heat- shielding tiles on the Orbiter's belly.
Spacewalking astronaut Steve Robinson rode the Station's robot...
August 03, 2005
A planet larger than Pluto has been discovered in the outlying regions of the solar system with the Samuel Oschin Telescope at Palomar Observatory near San Diego, Calif. The discovery was announced today by planetary scientist Dr. Mike Brown of the California Institute of Technology in Pasadena, C...
August 03, 2005
Most of the biggest black holes in the universe have been eating cosmic meals behind closed doors -- until now.
With its sharp infrared eyes, NASA's Spitzer Space Telescope (SST) peered through walls of galactic dust to uncover what may be the long-sought missing population of hungry black ho...