The development and deployment of space-based weapons by the U.S. military will not only encourage other nations to do the same, but leave vital non-weapon spacecraft vulnerable to attack, according to physicist Richard Garwin.
Researchers are working on setting up a global positioning system for the Red Planet to aid future scientific exploration and development.
A team of researchers have come up with an asteroid defense concept that would use a swarm of nuclear-powered robots to drill into an approaching asteroid and hurl chunks of it into space with enough force to gradually push it into a non-Earth impacting course.
Tariq Malik summarizes a recent report from the Stimson Center which concludes that "the use of space-based weapons systems, may inevitably cause more problems than they're meant to solve."
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A California company is planning to launch a satellite that will monitor, and hopefully one day predict, the state's shakiest feature - earthquakes.
Virtual reality, that computer-driven replacement for the here and now, may offer a versatile proving ground for police officers and emergency crews training to respond to future terrorist attacks.
A group of rocketeers hope the next two weeks will put them in the history books with a vehicle that, if successful, would be the first amateur rocket shot into space.
Humans will begin a voyage to the nearest star this century, a NASA researcher says. And the crew might more resemble a tribal society than the chain of command of traditional space missions. Procreation would be required: The crew that arrived would be descendents of those that left.