Supplies, including the first 3-D printer in space and a troop of 20 mice, are on their way to the Space Station.
NASA's New Horizons spacecraft may still be 10 months from its historic flyby with dwarf planet Pluto, but it is making good use of its interplanetary cruise to get familiar with its flyby target by imaging Pluto's outermost moon Hydra. Continue reading →
As comet 67P/Churyumov–Gerasimenko makes its inner solar system tour, ground-based observatories are beginning to get a detailed look. Continue reading →
The world is starting to get a better idea of what the U.S. military's proposed new space plane might look like.
An unmanned European cargo vessel has linked up with the International Space Station for the last time.
Two Mars-bound spacecraft are both in excellent health ahead of their September arrivals in orbit around the Red Planet, managers for both missions report.
With the arrival of the Rosetta spacecraft to Comet 67P/Churyumov-Gerasimenko, here's a look back at 7 close encounters of 6 comets by 5 spacecraft.
A microwave thruster system that needs no propellant generates a small amount of thrust regardless.
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