The largest fleet of F-35 Lightning II joint strike fighters ramped up to 28 aircraft June 25
Unmanned aerial logistics system would bypass ground-based threats and enable faster, more effective delivery of cargo and other essential services in hard-to-reach areas
The U.S. government is expanding a cybersecurity program that scans Internet traffic headed into and out of defense contractors
The planet Mars lost most of its original atmosphere long ago when huge amounts of gas escaped into space
NASA's Hubble, Spitzer and Chandra space telescopes are teaming up to look deeper into the universe than ever before.
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 water.
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.
Congress got the word from NASA on Tuesday about its options for dealing with the threats posed by asteroids and comets
This image shows the potentially hazardous near-Earth object 1998 KN3 as it zips past a cloud of dense gas and dust near the Orion nebula.
The U.S. National Security Agency is reported to have implanted malicious software in nearly 100,000 computers worldwide
A new species of small sea anemones has been found that were burrowed into the ice, their tentacles protruding into frigid water like flowers from a ceiling.
NASA's Hubble Space Telescope will have two opportunities in the next few years to hunt for Earth-sized planets
In a December 2009 memorandum, President Obama directed the newly established National Declassification Center (NDC) to process an estimated 400 million page backlog
Adversaries’ sophisticated air defense systems can make it difficult for current air- and surface-launched anti-ship missiles to hit their targets at long range.
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