NASA's Dawn probe arrived at Ceres, becoming the first spacecraft ever to orbit a dwarf planet.
The Icarus Interstellar 'Firefly' starship concept could use novel nuclear fusion techniques to power its way to Alpha Centauri within 100 years (guest article)
In the end, Europe's fifth and final space station freighter went out in more of a fiery blaze than with the big bang of its namesake.
About 100 minutes after blasting off aboard a Vega rocket Wednesday, the European Intermediate Experimental Vehicle made a parachute descent back to Earth, completing a successful test flight.
New features on Ceres' icy surface are popping into view as NASA's Dawn spacecraft slowly spirals in on its final celestial target in the asteroid belt.
NASA's Dawn mission has shown us unprecedented detail in dwarf planet Ceres' icy surface, but the adventure has only just begun.
As NASA's trailblazing Dawn mission approaches dwarf planet Ceres, a new series of images beamed back show intriguing details.
On Jan. 14, 2005, the European Huygens probe landed on Titan's foggy surface, revealing a very alien, yet familiar, world.
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