(NewsNation) — Photos from the European Space Agency show a massive, lava-leaking scar on Mars larger than our own Grand Canyon. Dubbed the Aganippe Fossa, the 373-mile long crack in Mars ...

The scar-like canyon on Mars is officially named Aganippe Fossa. It's a graben, which is essentially a "ditch-like groove with steep walls on either side," the ESA explains. The canyon was first ...

The SCAR-E prototype is relatively small compared ... A prototype of the machine was put through its paces in May 2024 at the Mars Analogue Environment at the Tohoku University in Japan.