Europe's massive Jules Verne space freighter wrapped up its final dress rehearsal high above Earth on Monday, priming the ship for a Thursday docking with the international space station.
NASA's next space shuttle launch has been delayed until May 31, nearly a week late because of extra time needed to get the fuel tank to Florida.
Dangerous levels of radiation in space could bar astronauts from a mission to Mars and limit prolonged activity on the moon, experts now caution.
For decades, Soviet schoolchildren flocked to the Moscow Planetarium to gaze at the stars. Now plans to reopen the landmark silver-domed structure, shut for repairs 14 years ago, are mired in a struggle for control of an institution situated on a pricey patch of real estate.
Scientists think Martian microbes would have left behind a fuzz of fibers.
We're now more than a week into the spring season (even if, meteorologically, in some parts of the country it's still very much wintry), and high in our current evening sky the most famous stars of spring are to be found making up the constellation of Leo, the Lion.
The University of Hawaii at Hilo and the Colorado School of Mines said they will jointly research supporting human life in outer space.
A federal lawsuit claims that the world's largest particle collider could destroy the earth, but experts say there's nothing to fear.