A newly described supergiant species of "sea bug" — a marine arthropod known as an isopod — was recently discovered in the Indian Ocean.
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The microbes had been dormant below the ocean floor for eons, buried since the time of the dinosaurs. Then a team of scientists in Japan woke the little organisms up.
Scientists have identified the larvae of one of the world's biggest fishes — the bump-head sunfish (Mola alexandrini) — and the youngster is ridiculously tiny.
Great white sharks are fierce hunters. But as juveniles, their diets involve way more bottom-feeding than hunting large prey.
Nearly 600 hydrothermal chimneys jut from the ocean bottom on a ridge near the Pacific Northwest's coastline, scientists recently discovered.
Scientists developed a new method for preparing rock samples that revealed new species of marine microbial life below the seafloor.
Underwater explorers found a 150-foot siphonophore — a stringy creature that, like coral or jellyfish, is made up of smaller critters — living in waters off the coast of Australia.
A trio of divers off the western coast of Norway had a close encounter with a drifting gelatinous blob — a squid's egg sac as big as an adult human.
Meta description: Probing the bottom of the East China Sea with seismic waves, researchers have discovered a mysterious "pocket" that could contain 50 million tons of greenhouse gases.
Scary portrayals of great whites in pop culture might lead some people to wonder if the world would be better off with no sharks at all.
Fishermen in Norway came across a Russian spy late last week, but the interloper wouldn't reveal its mission, and with good reason: It couldn't, because it was a beluga whale.