PASADENA, Calif. — NASA’s long-lived Mars Odyssey spacecraft has completed an eight-month adjustment of its orbit, positioning itself to look down at the day side of the planet in mid ...

The change of orbit by the Mars Express orbiter will allow increasingly closer looks at the Beagle 2 landing site, which measures 31 kilometres by 5 kilometres.

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. Those flybys ...

CAPE CANAVERAL, Dec. 25 -- Europe's first Mars probe slipped into orbit around the Red Planet on Christmas Eve, but the first two attempts to contact a small British lander were unsuccessful ...