At the bottom of the Mariana Trench, roughly 10,935 meters below the Pacific surface, water temperatures hover just above freezing and no trace of sunlight has reached the seafloor for as long as ...

Challenger Deep sits at the bottom of the western Pacific’s Mariana Trench, roughly 10,935 meters below the ocean surface.

When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It's easy to imagine the sea beneath as calm and largely static—a massive, still abyss far removed ...

Mother Ocean Day is Saturday, May 9, so here’s a few facts about our waters. About 71% of the Earth’s surface is water-covered, and the oceans hold about 96.5% of all Earth’s water. Water also exists ...

These trenches, like the Mariana and Tonga, are formed where oceanic plates dive beneath continental plates, creating geological wounds. Image Credits: Google Gemini ...