A tiny and very tubby baby pygmy hippo that was recently born at the San Diego Zoo is the zoo's first successful pygmy hippo birth in more than 30 years.

Researchers captured slow motion video of praying mantis strikes, revealing what makes these insects such effective predators.

The long legs of big tyrannosaurs like T. rex were for marathon walking, not sprinting.

The voice of a Chilean wild cat called a güiña, the smallest wild cat in the Western Hemisphere, was recently recorded for the first time — and it sounds like a cheeping bird.

Melting ice revealed a long-lost trail in Norway that was strewn with objects dating to the Viking Age.

Buckyballs are geometric shapes previously only seen in nature at the molecular scale. Scientists recently found them in marine animals dating to the Cretaceous.

Thick facial hair could cushion the face and jaw, lending protection against punches, kicks and other combat blows.

Tens of thousands of years ago, a feces-contaminated wallow may have caused the deaths of nearly two dozen giant ground sloths.

Photos of allegedly "drunken elephants" quickly went viral on Twitter. But the elephants weren't drunk, they were just resting, officials said.

A curly-tailed lizard's belly was stretched by a mass of unpassed poo.

Replica swords revealed the skills that were needed in combat by ancient sword-fighters.

Sightings of Asian giant hornets in the state of Washington raise concerns that the enormous insects may be settling in North America.

Can dogs be trained to detect COVID-19 by smell? Researchers in Pennsylvania are putting canine scent receptors to the test.

Nearly 600 hydrothermal chimneys jut from the ocean bottom on a ridge near the Pacific Northwest's coastline, scientists recently discovered.

By studying artificially deformed skulls from a graveyard dating to more than 1,000 years ago, archaeologists are piecing together clues about an ancient community's culture.

An undercover animatronic gorilla captured astonishing footage of wild mountain gorillas singing while they ate.

Three videos captured by U.S. Navy pilots show unidentified aircraft flying at hypersonic speeds.

Archaeologists discovered a decapitated skeleton of a human sacrifice in a burial pit dating to more than 3,000 years ago.

Light behaves even more strangely than expected around the irresistible pull of a black hole.

When male lemurs want to attract females, they use their tails to whip up a fruity and floral scent cloud that lady lemurs find irresistible.

Scientists developed a new method for preparing rock samples that revealed new species of marine microbial life below the seafloor.

Up to 20 meteors per hour may be visible when the Lyrid meteor shower is at its peak.

The origins of the Nazareth Inscription, a Roman emperor's edict threatening grave robbers with severe punishment, have been hotly debated for decades.

The sensational human drama of "Tiger King" dramatically downplays how tigers are harmed by unregulated captive breeding in unaccredited zoos.