Submarine canyons are surprisingly and fundamentally different from ravines on land, researchers report. Submarine canyons are a final frontier on planet Earth. There are thousands of these ...

Hiking a picturesque valley or climbing a craggy gorge are among the most exhilarating experiences in nature. As a geologist, I have hiked and climbed some of the most intense terrain in the world, ...

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which are each about the size of Earth’s Grand Canyon. By Kenneth Chang Kenneth ...

There’s no shortage of incredible fissures in our planet’s surface, but picking the biggest and best gets complicated. Do we measure length, depth, width? Overall volume? Does scenery trump size? And ...

Submarine canyons are among the most spectacular and fascinating geological formations to be found on our ocean floors, but at an international level, scientists have yet to uncover many of their ...

In 2015, when NASA's New Horizons spacecraft encountered the Pluto-Charon system, scientists discovered interesting, geologically active objects instead of the inert icy orbs previously envisioned.