COLLEGE PARK, Md. – Over the past five years, three space missions — Deep Impact, Deep Space 1 and Stardust — have provided unprecedented information about comets. However, rather than clearing up the ...
On Sunday, NASA’s historic Deep Impact spacecraft will fly past Earth for the fifth and last time on its current University of Maryland-led EPOXI mission. At time of closest approach to Earth, the ...
Asteroids are one of the few science fiction threats which might actually darken our planetary doorstep. We can probably safely assume that alien invasion, zombies, and killer robots remain in the ...
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