Space is noticeably short on gas stations, requiring spacecraft to carry huge reserves of expensive and cumbersome propellant which limits their range. But with NASA’s newest Sun-powered propulsion concept, future astronauts could sail to the stars on solar winds. More »
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The World’s Biggest Solar Sail Launches Next Year
Security researchers warn that many emergency alert system devices used by radio and TV stations are susceptible to cyberattacks, which could cause widespread panic. [Read more]
The reclusive country confirmed today that a 5.1-magnitude earthquake was the result of a nuclear test, and apparently this explosion was more powerful than the earlier two. [Read more]