The spacecraft that has quietly rewritten our understanding of Mars just crossed a very visible milestone: the Mars Reconnaissance Orbiter has captured its 100,000th close-up view of the Red Planet.

All of which has yielded crisp views of many different Martian scenes, including the remnants of gaseous eruptions and impact ...

Though it has been scouring the Martian surface for more than a decade, NASA's Curiosity rover has never been imaged from above within the planet's atmosphere – until now. Far from being camera shy, ...

MRO used a special maneuver that rolls the spacecraft over 120 degrees. This enhances the power of SHARAD, which is MRO’s ...

Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) just notched a big milestone. MRO's HiRISE ("High Resolution Imaging Science Experiment") camera has now snapped 100,000 photos of the surface of ...

LONDON -- It turns out the Beagle has landed after all -- but it never called home. The spacecraft Beagle-2 went missing on Christmas Day 2003, when it was supposed to land on Mars and start ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. The orbiter, one of three zooming around Mars' atmosphere, had been working as expected before it ...

NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

ESA images show a large meteoroid strike on Apollinaris Mons, leaving more than 100 mysterious moving dust marks on Mars.

Some corners of the internet have been buzzing over a spacecraft-snapped image of a “square” on Mars. The image highlights a geologic formation with a seemingly square-like shape. Alien enthusiasts ...

Before-and-after images taken with the Context Camera (CTX) on NASA's Mars Reconnaissance Orbiter show the impact site on Jan. 16, 2012, at left, and on April 6, 2014, at right. [Read the Full Story] ...