NASA challenged engineers to pack an entire satellite dish into a cereal box with Radar in a CubeSat (RainCube), a technology-demonstration mission scheduled for launch in 2018 that will measure rain and snowfall on Earth from space.
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A giant deposit of buried ice on Mars contains about as much water as Lake Superior does here on Earth, a new study reports.
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International Space Station commander Shane Kimbrough explains how the crew will spend the holiday.
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NASA's Cassini will get up close and personal with the planet's outmost F rings during a series of 20 orbits between Nov. 30, 2016 and April 22, 2017. It will give the probe unprecedented views of the moons that orbit near the edge of the rings.
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There's a huge hole in the sun, but it has nothing to do with alien spaceships or any other conspiracy theory.
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The experimental "EmDrive" propulsion system may actually work, despite seeming to violate the laws of physics.
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NASA's Dawn probe is snapping stunning new views of the dwarf planet Ceres as the spacecraft pushes ever higher above the small world.
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A star 5,000 light-years from Earth is the closest thing to a perfect sphere ever observed in nature, a new study reports.
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A stunning new photo of Saturn's north pole spotlights the planet's bizarre hexagon-shaped vortex and beautiful bands of swirling winds.
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Astronomers have discovered a large valley on Mercury that provides further evidence for the planet's shrinkage — an odd phenomenon that has been the topic of debate for decades.
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