Sascha Pare

Fresh water that trickled down into Earth's crust 6 million years ago became trapped thousands of feet beneath the Hyblaean Mountains in Sicily, forming an aquifer that has not budged since.

Supervolcanoes are defined by their ability to produce supereruptions — explosions of more than 240 cubic miles of volcanic material. But scientists disagree on how useful the term is.

Bears that are struggling to hibernate due to abnormally warm weather in Russia's Amur region are wandering around in a daze, having suppressed their metabolism in preparation for winter.

Footage of a kangaroo attempting to drown a dog in a river in Australia went viral online, but this isn't the first time a marsupial has pulled this trick.

An underwater volcano that gave birth to a new island off Japan's Iwo Jima island has erupted again, sending huge plumes of ash and smoke into the sky in footage released by Japan's Coast Guard.

A 2,000-foot-long hydrothermal field teeming with life and giant chimneys spouting boiling water has been discovered next to an underwater volcano off the coast of Ecuador.

Scientists have analyzed the remains of a great white shark that washed up in Australia in October and confirmed orcas disemboweled the predator to eat its liver — a first in these waters.

An orca's final moments may have been captured on film for the first time, after repeated attempts by two young orcas to keep the old, dying male at the surface so he could breathe.

El Niño is in full swing and will likely remain "strong" this winter, but its effect on weather patterns in the U.S. depends on the behavior of an unusually warm blob in the western Pacific, experts say.

Archaeologists in Scotland may have finally solved the mystery of how ancient Egyptian artifacts that were unearthed in school grounds between 1952 and 1984 became buried there.

After years of failed attempts, scientists have finally succeeded in snapping images of an extremely rare, enormous rat that is so big it can reportedly chew through coconuts on the Solomon Islands.

Scientists aboard the Falkor (too) research vessel have documented, for the first time, an extinct volcano towering 5,250 feet above the seabed in international waters in the Pacific Ocean.

A diver filmed a pair of young ocean sunfish off Canada's coast and experts estimated them to measure 24 inches across — five times smaller than the size they reach as adults.

Serotine bats that have penises seven times longer and wider than their female counterparts' vaginas are the first known mammals to engage in non-penetrative sex.

Arabian sand boas live in deserts on the Arabian Peninsula, where they lie buried in the sand with only their derpy eyes peeking out as they wait for prey.

An epaulette shark pup born in August at Brookfield Zoo hatched from an egg that was not fertilized by a male shark. It's the second time this species has undergone a virgin birth in captivity.

A genetic analysis of head lice that have evolved in tandem with humans has revealed two distinct groups of lice that merged in the Americas as a result of Asian and European migrations.

A volcanic eruption off the Japanese island of Iwo Jima on Oct. 30 led to the formation of a new 330-foot-wide island just north of the explosion site.

Astonishing footage from Planet Earth III, which premieres Nov. 4 on BBC America and AMC+, shows a herd of seals fending off an attack by the world's most notorious predator off the southern coast of Africa.

The skeleton of a middle-aged man who died between 1450 and 1620 was found with a prosthetic hand still attached to his left arm, which replaced four fingers he likely lost through amputation.

Scientists on a 30-day expedition off the coast of Ecuador have mapped two coral reefs and two seamounts more than 1,000 feet beneath the ocean surface.

Scientists have described two lamprey fossils with "extensively toothed" mouths from the Jurassic period, shining a light on how this group has evolved into its modern forms since the Devonian.

New research suggests we have just six years left to limit global warming to 1.5 degrees Celsius, and two decades to keep temperatures below the 2 C threshold in the Paris Agreement.

Scientists have pieced together the remnants of a continent that broke off from western Australia 155 million years ago and seemingly vanished as it drifted northward toward Southeast Asia.

Mummified mice found atop volcanoes in South America have long hinted that rodents forage on peaks as tall as 22,000 feet, but it turns out mice permanently live at these extreme heights.