The larger of the two moons of Mars, Phobos, passes directly in front of the other, Deimos, in a new series of sky-watching images from NASA's Mars rover Curiosity.
NASA's Cassini spacecraft has captured Saturn's rings and our planet Earth and its moon in the same frame.
NASA's Hubble Space Telescope has discovered a new moon orbiting the distant blue-green planet Neptune, the 14th known to be circling the giant planet.
An asteroid passed Earth last week, and with the Arecibo radio telescope astronomers got an unprecedented look
Because of GRAIL's findings, spacecraft on missions to other celestial bodies can navigate with greater precision in the future.
While tidying up a storage space at the Lawrence Berkeley National Laboratory, an archivist makes a cosmic discovery.
The European Space Agency (ESA) study is investigating how practical constructing a manned base on the moon only using 3D printing technology
Using a well-timed laser, NASA scientists have beamed a picture of Leonardo da Vinci's masterpiece, the Mona Lisa, to a powerful spacecraft orbiting the moon
The largest dark spot on the moon, known as the Ocean of Storms, may be a scar from a giant cosmic impact
Scientists may never know exactly how the moon and Earth were formed some 4.5 billion years ago, but...
Once upon a time the moon was thought to be dry, dusty, and barren.
Signals from seismic sensors left on the lunar surface by Apollo astronauts in 1971 have revealed that the Moon has a liquid core similar to Earth's.
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