For 30 years, a large near-Earth asteroid wandered its lone, intrepid path, passing before the scrutinizing eyes of scientists
Dismounted Soldiers carrying full battle gear are pushed to their physical limits.
In the early morning hours of Oct. 18, NASA’s Lunar Laser Communication Demonstration (LLCD) made history
NASA's Hubble Space Telescope has discovered a new moon orbiting the distant blue-green planet Neptune, the 14th known to be circling the giant planet.
NASA's Mars rover Opportunity is studying the area of contact between a rock layer formed in acidic wet conditions long ago and an even older one
NASA's Hubble Space Telescope will have two opportunities in the next few years to hunt for Earth-sized planets
NASA's black-hole-hunter spacecraft, the Nuclear Spectroscopic Telescope Array, or NuSTAR, has "bagged" its first 10 supermassive black holes.
In preparation for the 50th Anniversary and Memorial ceremony of President John F. Kennedy's assassination
While others speak of curbing intelligence surveillance activities, the Defense Science Board argues in a new report that the U.S. government should expand and accelerate
Many Americans fall into one of two categories. One is made up of those who see a basement or attic filled with stuff, shut the door and find something else to do.
Congress got the word from NASA on Tuesday about its options for dealing with the threats posed by asteroids and comets
More than three-quarters of the planet candidates discovered by NASA's Kepler spacecraft have sizes ranging from that of Earth to that of Neptune
The U.S. Air Force is working as fast as it can to certify the ability of privately held Space Exploration Technologies, or SpaceX, to compete for work launching military and intelligence satellites
Astronomers using data from NASA's Kepler and Spitzer space telescopes have created the first cloud map of a planet beyond our solar system
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