The scar, known as Aganippe Fossa, cuts across the lower flank of one of the Red Planet’s largest volcanoes, Arsia Mons. The ravine was first spotted in 1930, but this is the first time ...

The huge canyon, named Aganippe Fossa, stretches about 375 miles across the red planet, making it larger than the Grand Canyon, which is 277 miles. The Martian valley was first spotted by ...

The images of Aganippe Fossa were taken thanks to the European Space Agency (ESA) and its Mars Express satellite. They also show fascinating landscapes of the entire Tharsis region, a Martian area ...

ESA's Mars Express spacecraft captured a view of Aganippe Fossa, a deep groove at the foot of the ... [+] Arsia Mons volcano. Mars is a geologically complex place. The red planet’s volcanic ...

The Red Planet is full of scratches and scars, and this one, named Aganippe Fossa, is another of these ditch-like grooves with steep walls — more specifically, however, Aganippe Fossa is what's ...

Humans first documented the feature in 1930, and formally dubbed it Aganippe Fossa 46 years later. “The structure, named after a spring nymph in Greek mythology, puzzles even today’s experts ...

Dubbed the Aganippe Fossa, the 373-mile long crack in Mars’ surface, is a graben — a “ditch-like groove with steep walls on either side.” Photos taken by the Mars Express High Resolution ...