The weirdest creatures to wash ashore By Victoria Williams A roundup of the 11 most bizarre creatures found washed up on the shore in the last decade, from sea potatoes to penis fish.
Why don't poisonous animals die from their own toxins? By JoAnna Wendel Some animals, such as poison dart frogs, carry enough toxic chemicals to kill multiple adult humans, but they've evolved tricks to avoid poisoning themselves.
Milkweed butterflies tear open caterpillars and drink them alive By Mindy Weisberger These ghastly meals provide male butterflies with chemicals that they use to produce mating pheromones, which female butterflies find irresistible.
Elusive angel shark shows off its ninja ambush skills in rare underwater footage By Brandon Specktor Researchers caught rare footage of a juvenile angel shark swimming off the UK coast, offering hope that the critically endangered species is still breeding.
An 18-foot-long sea monster ruled the ancient ocean that once covered Kansas By Mindy Weisberger A newly described species of mosasaur, an extinct marine reptile, swam through Cretaceous seas 80 million years ago and had a slender snout like a crocodile's.
Tyrannosaurs bit each other's faces in dino fight clubs By Laura Geggel Tyrannosaurs around the age of sexual maturity often bit each other's faces, likely to win prizes.
How do cats get their stripes? By Nicoletta Lanese Several key genes dictate whether a house cat will have stripes, spots or neither.
Stunning colorized footage provides a glimpse of the last known Tasmanian tiger By Mindy Weisberger Thylacines, once widespread in Australia, have been extinct for nearly a century, but newly colorized footage provides a glimpse of what they looked like in life.
Cheetahs battle raging river in stunning photo. Did they survive? By Patrick Pester A photo showing a group of male cheetahs trying to cross a raging river in Kenya is part of the 2021 Wildlife Photographer of the Year competition.
Helmet-headed Cambrian sea monster sucked up prey like a Roomba By Mindy Weisberger An ocean creature that lived around 500 million years ago was the largest predator on the sea bottom.
Gigantic 'shark-toothed' dinosaur discovered in Uzbekistan By Laura Geggel The discovery of a massive dinosaur jawbone dating to 90 million years ago reveals a previously unknown apex predator that prowled in what is now Uzbekistan.
This Australian bird's cry sounds just like a human baby By Yasemin Saplakoglu A brown, long-tailed bird at the Taronga Zoo Sydney in Australia has learned how to mimic the shrieks and shrills of human babies.
Dark regions of the genome may drive the evolution of new species By Cameron Duke The findings suggest a way to rescue "doomed" animal hybrids.
Who will buy 'Big John,' the biggest triceratops ever found? By Mindy Weisberger The largest triceratops in the world, scheduled to be auctioned on Oct. 21, will be on display to the public in Paris beginning Sept. 16.
Alien-like cookiecutter sharks terrorize animals of all sizes By Patrick Pester Cookiecutter sharks rip small, cookie-shaped chunks out of sharks and whales much larger than themselves, but a new study finds these big animals make up only a small part of their diet.
Got a cool pet? Enter to win this book on their prehistoric counterparts. By Laura Geggel Here's how to enter to win a free copy of the "Prehistoric Pets" pop-up book.
World's largest rodents are taking over a fancy gated community in Argentina By Harry Baker Capybaras have overrun a gated community in Argentina which was controversially built over their original habitat.
'What the heck is that?' Florida angler catches 'tortilla fish.' By Laura Geggel An angler fishing in Tampa Bay was surprised to reel in an unusual fish that looked just like a flour tortilla.
Do wolves wag their tails? By Patrick Pester Dogs regularly wag their tails to greet humans and other dogs, but what about their wild counterparts? Do wolves wag their tails?
