For years, a strange and unsettling noise coming from the Mariana Trench, the deepest part of the ocean, puzzled scientists.

We were amazed at this to-scale map we found on Tumblr depicting the Mariana Trench, the deepest part of the world's oceans. The trench is located in the Pacific Ocean near the Philippines.

It's impossible to be in the dark about the scourge of microplastics, but new light has been shone on how they end up in the ...

Ocean depth is divided into zones: littoral, bathyal, abyssal and hadal. The deepest part of the ocean, the hadal zone, is anywhere deeper than six kilometres. What is the average depth of the ocean?

Scientists at China's Beihang University developed a tiny morphable robot to explore the ocean's depths — and it's now taken ...

Our special video series looks at some of the more unique shells at the Bailey-Matthews National Shell Museum on Sanibel, ...

It's a new record: American businessman and explorer Victor Vescovo just became the first person to reach the deepest part of the Atlantic Ocean. On Wednesday, Vescovo traveled to the bottom of ...

Russian scientists have been drilling it since 1970. It's now deeper than the deepest part of the ocean. The bottom is 356˚F, which is too hot for drills to go any further. In 2012, Exxon ...

the deepest part of the ocean floor, and identified 7,564 species of hadal prokaryotic microorganisms, with 89.4 percent being unreported species previously. Their diversity is comparable to the ...

This shell is found in the Puerto Rico Trench, the deepest part of the Atlantic Ocean. Note to readers: This is Part 1 in a five-part series. The News-Press and Naples Daily News recently met with ...