Their radioactive fuel makes nuclear plants and research reactors targets.
The White House wants more artificial intelligence research.
The future-proofing engine.
When Kazakhstan's Central Reference Laboratory opens in September 2015, the $102-million project laboratory will serve as a Central Asian way station for a global war on dangerous disease.
A private, non-governmental space cargo company
Space science is Earth science
Space researchers uses deserts, valleys, and freezing lakes to test equipment and simulate procedures on space missions. Here's where they put future exploration to the test - without leaving our planet
Even as we imagine the day when robots finally turn against us, scientists are at work on how best to control them
Not since the end of the Cold War has the Pentagon spent so much to develop and deploy secret weapons. But now military researchers have turned their attention from mass destruction to a far more precise challenge: finding, tracking, and killing individuals
Walking, self-contained, adult-size robots are commonplace in robotics labs in Japan and South Korea, but there's only one made here. Why are we falling behind?
In orbit, debris as small as a metal screw can cripple a vehicle or kill an astronaut. Here are five ideas for cleaning up the growing band of trash circling Earth
Want a nap? Hate walking? Need uncomplaining workers? Robot makers have something for you
The military is designing a robotic “butler” that will provide cover fire, ammo, food and peace of mind during combat
For astronauts on the ISS, a new robot means fewer risky spacewalks
Can a space station suddenly put into survival mode by the shuttle disaster survive orbital challenges and earthbound critics?
"Go Somewhere" produced a large volume of mail and vigorous online debate about the future and cost of NASA. Here are more highlights.
Seven ideas that will correct NASA's trajectory and get Americans to love the space program again