Researchers have discovered a 33,000-foot-wide (10 kilometers) underwater canyon that was carved out of the Mediterranean seabed shortly before the sea dried up around 6 million years ago.

A LiDAR-equipped ROV traversed the ocean floor of the Monterey Canyon, the largest and deepest submarine canyon in North America. By Darren Orf Published: Oct 20, 2023 1:00 PM EDT. 3.

This guide to walking and hiking trails includes several options among San Diego’s more than 150 named canyons ...

The canyon “was home to the world’s largest discharge of municipal sewage sludge to the deep sea,” between 1986 and 1992, according to the Marine Conservation Institute.

A new species of flapjack octopus, with massive eyes and blood-red tentacles, has been discovered from a deep-sea canyon off the coast of Australia. The new species has been named Opisthoteuthis ...

I'm looking down into the Grand Canyon, and it's completely full of clouds. If I didn't know there was a gigantic, river-carved hole in the crust of the earth right here, I wouldn't believe it.

At Mile 0 of the Grand Canyon, the river is running at around 7,000 cubic feet per second, rising toward 9,000 — not the lowest flows on record, but far from the highest. Cubic feet per second ...

Researchers have discovered a 33,000-foot-wide (10 kilometers) underwater canyon that was carved out of the Mediterranean seabed shortly before the sea dried up around 6 million years ago.