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Number of applications NASA received for its new class of astronauts; this was the largest pool of applicants since 1978, when 8,000 people applied for the...

Will NASA's Hot New Rocket Really Fly?

Want to make a space geek dreamy (O.K., dreamier than usual)? Just mention the Saturn V rocket. Thirty-six stories of big-muscle booster, the Saturn V produced...

The Space Station: Will NASA Abandon Ship?

Critics of NASA aren't saying "I told you so" yet, but some of them are surely muttering it under their breath. The word from the space agency last week was that...

NASA's Next Goal: Mars, Titan or Comet?

You can think of NASA's Discovery program as a sort of outer-space American Idol: every few years the agency invites scientists to propose unmanned planetary...

NASA Telescope May Reveal New Planet, Tyche

A few years ago we all thought there were nine planets. But now space is a whole lot more complicated. The hunt for the giant planet is on. When Pluto was...

NASA Images the Entire Sun, Far Side and All

It might not be obvious as to why anyone should care about what's happening on the far side of the sun. But NASA can explain: our home star is a seething,...