Astronauts to reveal sobering data on asteroid impacts

This Earth Day, Tuesday, April 22, three former NASA astronauts will present new evidence that our planet has experienced many more large-scale asteroid impacts over the past decade than previously thought… three to ten ...

South Korea's cyber-war ambitions could backfire badly

South Korea has made a suprisingly public announcement that it plans to develop cyber-weapons for potential use against North Korea. The decision to make its plans known is baffling and the potential consequences of taking ...

Radiation leak detected at New Mexico nuclear plant

US investigators were taking samples at a New Mexico underground nuclear waste site where airborne radiation was detected, though authorities stressed they had found no contamination.

What Americans should fear in cyberspace

A recent Pew poll found that Americans are more afraid of a cyber attack than they are of Iranian nuclear weapons, the rise of China or climate change. Such fears are not only out of proportion to risk; if they take hold, ...

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