Did you know that coral reefs are vital to the survival of our ecosystem? And did you also know that reefs can be found as ...

As demand for critical metals grows, scientists have taken a rare, close look at life on the deep Pacific seabed where mining ...

Mountains don't just exist on land—did you know there are vast mountain ranges at the bottom of the sea? From spooky-looking towers that belch white "smoke" to a mountain range in the middle of the ...

Scientists filmed a squid covering itself in mud and holding its tentacles upright, using camouflage that helps it hide on the ocean floor.

Photographers capture mutant crayfish, cleaning fish, and synchronized whales in this year's top underwater contests.

The feeling of awe and planetary connection experienced by astronauts observing Earth from low space orbit is known as the "overview effect," a term coined by Frank White, the author of numerous books ...

A dome-fronted submersible sinks beneath the waves off Indonesia, heading down nearly 1,000 meters in search of new species, ...

From Sydney’s northern beaches to the bottom of the Atlantic – the story of a man who won a trip of a lifetime in a local supermarket competition ...

Inside a sprawling, brightly lit factory in central Ukraine, a pair of launchers held up two massive cruise missiles with an unusual nickname: “the Flamingo.” Longer than a city bus and weighing ...

In the South China Sea, near the Paracel Islands, the aqua-colored waters of an expansive shallow reef platform suddenly gives way to a near vertical shaft of vast darkness – an ocean sinkhole almost ...

You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split water and release oxygen, shaping the atmosphere and making complex life ...

A lot of weird-looking life-forms lurk in the deep sea, and this year we got some spectacularly close looks at several of them, including a goofy Doctor Who–esque octopus, alienlike Antarctic dwellers ...