See the 2,500 mile-long (4000 km) Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: ...

NASA launched the Mars Reconnaissance Orbiter in August 2005 and the following year, on March 10, it entered the orbit of the ...

NASA has offered a sneak peek inside its Mars simulation habitat where four volunteers have now spent 150 days isolated from the outside world. By living within the confines of the 1,700-square-foot ...

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ...

Add Yahoo as a preferred source to see more of our stories on Google. This view of a region called Syrtis Major is from the 100,000th image captured by NASA’s Mars Reconnaissance Orbiter using its ...

A NASA rover has discovered signs of an ancient river beneath Mars' surface, using ground-penetrating radar to reveal buried ...

By Will Dunham WASHINGTON, March 18 (Reuters) - Using ground-penetrating radar, NASA's Perseverance rover has detected ...

A rugged Martian landscape that resembles a vast spiderweb when seen from orbit is offering new insights into the planet’s ...

NASA’s Curiosity Mars rover captured a series of black and white panoramas at two times of day which were then merged ...

NASA’s Mars Reconnaissance Orbiter has located a fresh crater on Mars after 20 years of monitoring, providing high-resolution images and updated data on surface features and seasonal streaks.

Mars, with its rust-hued surface, is known as the red planet for a reason. Along the way, Curiosity has made some extraordinary finds and captured some stunning vistas. The latest came in November ...