In recent years, science has unveiled some astonishing secrets—from what lurks inside black holes to the discovery of a vast ...

The record-breaking mission offers an unprecedented opportunity to study the geology of our planet’s largest layer.

The deepest place on Earth isn't just a barren undersea wasteland ... cold and the high pressure at depths 36,000 feet below the water's surface. This area of the ocean, called the hadal zone ...

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same ...

Water from both volcanic rocks and deep mantle melted Earth's crust 1.6 billion years ago. This long-lasting melting formed ...

All that said, the findings can’t confirm the terrestrial life theory beyond a doubt. There’s still a chance hydrogen-heavy ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers say ...

Although much of the sea’s water disappeared decades ... of the Aral Sea may well be the deepest example of a human-caused change in the solid Earth, he says. Other changes caused by humans ...