Several people have lobbied the federal government to make the Marianas Trench Marine National Monument a marine sanctuary, including famed director James Cameron, who visited Guam in 2012 ...

Nautilus is currently docked at the Port Authority of Guam in Piti. The expedition is the first of five planned this season. It will probe the depths of the Mariana Trench—the deepest oceanic ...

It's the closest many of us will get to the Mariana Trench. Editor's note: This story was updated at 11:16 a.m. EST on May 9 to reflect that E/V Nautilus departed from Apra, Guam, not from California.

A volcano eruption near Oregon is brewing — but don't panic about Axial Seamount. The undersea volcano has been attracting attention for months as scientists prepare for an eruption they expect ...

The volcano is thousands of feet below the ocean’s surface, so it poses no danger to people. But under all that water, a dramatic eruption is brewing.

Recent scientific discoveries have revealed that human-made pollutants have reached the Mariana Trench Marine National Monument, one of Earth's most remote environments, prompting local ...

So, this is the first time back since then — this will be our third trip,” said Trench Tech founder Cuki Alvarez. He said his team has been training and competing on Guam at the Marianas Open and Copa ...

The Mariana Trench, located in the western Pacific Ocean, is the deepest part of the world’s oceans and one of Earth’s most mysterious geographic wonders. This video takes you on a journey to explore ...

A U.S. Navy flight officer has taken command of Guam’s three major military bases and regional installations, as the island ...

The curious minds at What If examine the possibility of a hidden Megalodon still lurking in the Mariana Trench.

Additionally, traces of human activity are found even in the ocean’s deepest trench. Humans know more about the moon than the deep sea—and correspondingly little about the animals in the Mariana ...