Rediscovered footage of a thylacine taken in 1935 is the last-known recording of the marsupial, which went extinct in 1936.
Researchers studied bite marks on more than 2,000 dinosaur bones and found that some of them were cannibalized.
Bats carry a lot of viruses, some of which make people sick. So why don't bats get sick from these pathogens?
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.
Researchers discovered a new species while looking at Twitter photos. They have named the parasite Troglomyces twitteri.
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.
Buckyballs are geometric shapes previously only seen in nature at the molecular scale. Scientists recently found them in marine animals dating to the Cretaceous.
A new paper gathers images of invasive Vespa hornet species worldwide, and offers clues to help identify them.
Tens of thousands of years ago, a feces-contaminated wallow may have caused the deaths of nearly two dozen giant ground sloths.
Comb jellies in the Baltic Sea eat their own larvae when the local food supply runs out every summer.
A squid-like creature was hunting for a meal about 200 million years ago, but it never got to gulp down its supper.
A years-long Allen Institute for Brain Science project to map the entire mouse brain is complete, and you can explore it now.
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