A spacecraft has beamed back some of the best close-up photos ever of Mercury’s north pole. The European and Japanese robotic ...

The list of accomplishments of the Mariner program is long indeed, and the number of firsts achieved by its ten spacecraft is impressive. But it is Mariner 4, the first flyby mission of Mars ...

The European Space Agency released stunning snapshots showing the permanently shadowed craters at the top of our solar system ...

On Dec. 14, 1962, NASA's Mariner 2 spacecraft flew by Venus. The Mariner 2 spacecraft was launched from Cape Canaveral on August 27, 1962, and It took the spacecraft three and a half months to ...

On November 13, 1971, Mariner 9 became the first spacecraft to orbit Mars. At the time, scientists didn't know much about the Red Planet. NASA had several flybys before Mariner 9.

Japanese BepiColombo spacecraft captured close-up images of Mercury’s north pole during its final flyby, offering new views ...

Scientists speculated that the Soviets’ more powerful rockets might have given the Red spacecraft enough extra push to carry it past Mariner on the 228-day, 325 million-mile voyage to the red ...

All through November the window was open, but the first U.S. attempt to peek inside failed when the Mariner C spacecraft, unable to jettison its 300-lb. fiber-glass protective shield, could not ...