Fifty years after Sputnik, the Cold War battle for the cosmos is history but new international rivalries over controlling the final frontier have emerged.
Researchers who launched an experimental cyber attack caused a generator to self-destruct, alarming the federal government and electrical industry about what might happen if such an attack were carried out on a larger scale.
Mining the moon for fuel used in nuclear fusion reactors is among NASA's 200-plus set of mission goals and could precipitate another reason for other countries and private investors to join future lunar exploration.
Human increases in carbon dioxide emissions are thinning the Earth's outer atmosphere, making it easier to keep the space station aloft but prolonging the life of dangerous space debris.
A radically different way to reach outer space -- the space elevator -- may finally be getting off the ground floor thanks to recent huge advances in technology.
Northrop Grumman has developed a laser-based system to shield airports and other installations from rockets, ballistic missiles and other threats.
The U.S. military has given troops in Iraq a laser device to temporarily blind drivers who ignore warnings at vehicle checkpoints, the Pentagon said on Thursday. Army Lt. Col. Barry Venable, a Pentagon spokesman, defended its use as legal and said the devices were intended to prevent civilians from being shot.
High-tech tools, implanted or attached to the human body, are bringing biology and technology together to repair, replace and augment human ability.
A U.S. Pentagon invention could make air combat resemble a battle scene from the movie 'Star Wars' with a laser so small it can fit on a fighter jet, yet powerful enough to knock down an enemy missile in flight.
A revolutionary machine that can copy itself and manufacture everyday objects quickly and cheaply could transform industry in the developing world, according to its creator.