Bizarre noises detected around the deepest ocean trench on Earth have finally been identified. These strange "biotwang" sounds—first detected in 2014 during an acoustic survey of the Mariana ...

Mysterious sounds from the ocean depths have been one of the most baffling enigmas in recent years. Now we know where they come from. These strange sounds were first discovered during a submarine ...

The Mariana Trench has long captured the public's imagination. Here are some facts about one of the Earth's great wonders. Q. What is the Mariana Trench? The trench is the deepest place on Earth, ...

What is the greatest mystery in the ocean? It might be the ocean floor itself. Although the oft-heard statistic is that we know more about the surface of Mars than we do about the ocean seabed, ...

Recorded by underwater microphones, the unexplained sound—a low, sonorous grunting followed by a squeaky, mechanical echo like a frog burping in space—first rumbled through a computer speaker about a ...

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Scientists have found that man-made mercury pollution has reached the bottom of the deepest part of the ocean—the Marianas Trench. This has significant implications for how mercury affects the marine ...

The Earth's mighty oceans are even more mysterious than outer space. The majority of the planet's surface is covered by water, but 95% of our oceans remain unexplored. We know more about Mars than we ...