Crested rats can kill with their poisonous fur By Mindy Weisberger Rabbit-size rats from Eastern Africa are the only mammals on Earth that gain a poison defense from plants.
Adorable monkeys caught commiting grisly act of cannibalism By Nicoletta Lanese Cannibalism is rarely observed among primates, but it's not unheard of.
Whodunit solved when 'sword' is found embedded in thresher shark By Laura Geggel It's a mystery why a swordfish stabbed a thresher shark to death, but it's possible they were competing for food.
Wide-eyed prehistoric shark hid its sharpest teeth in nightmare jaws By Mindy Weisberger New analysis of jaws from a shark that lived 370 million years ago revealed a horrific twist (literally) to the predator's toothy grin.
Why do some animals sleep so much? By Kelly Slivka Body size and diet might impact how much sleep mammals need.
Antarctica's blue whales return to South Georgia a century after they were nearly wiped out By Tom Metcalfe The critically-endangered blue whale has returned to the waters near the remote island of South Georgia near Antarctica, almost 100 years after they were nearly made extinct.
Cretaceous cold case of 'dueling' T. rex and Triceratops may finally be solved By Laura Geggel The T. rex and Triceratops were discovered in 2006, but this sale marks the first time scientists will be able to study them in detail.
World's ugliest bats sing through 'face masks' made of skin to woo the ladies By Mindy Weisberger Scientists recently documented never-before-seen mating behavior in wrinkle-faced bats, in which males pull a furry flap of skin over their faces.
Why did trilobites go extinct? By Donavyn Coffey What took out the trilobites, whose fossils are found all over the world?
Here's all the buzz about honeybees By Greg Uyeno There are 20,000 species of bees, but honeybees have a special relationship with people.
200 'murder hornet' queens found inside first US nest of this invasive insect By Stephanie Pappas There were nearly 200 new queens poised to start their own colonies in a 'murder hornet' nest destroyed by Washington state entomologists.
Rare squid with 'elbow' tentacles baffles scientists in spooky new footage By Brandon Specktor Researchers found and measured a group of rare Bigfin Squids congregating off the Australia coast for the first time ever.
Skin-eating fungus from Europe could invade US, decimate salamanders By Debra Miller The Southern Appalachian mountains are a global biodiversity hot spot for salamanders. And now a skin-eating fungus from Europe could decimate them.
The fossil of a duckbill dinosaur has been found on the 'wrong' continent By Mike McRae The final chapter of dinosaur history is a tale stretching across two very different worlds, each a vast supercontinent dominated by its own unique mix of predators and herbivores.
How long do most species last before going extinct? By Tara Santora Some species last longer than others, but what's the average?
Rare wolf spider presumed extinct turns up on British military base By Stephanie Pappas Britain's great fox-spider had not been seen since 1993. Turns out, it's been thriving on a military base.
Massive great white shark Unama'ki spotted south of Miami By Yasemin Saplakoglu Unama'ki is one of the largest Great White sharks tagged.
500 million-year-old creature with mashup of bizarre features could be arthropod 'missing link' By Mindy Weisberger Astonishingly well-preserved fossils of a shrimplike Cambrian arthropod represent a rare chimera.
Watch a 'Godzilla' wasp dominate Mothra in this eerie lab video By Nicoletta Lanese Scientists discovered a new species of aquatic wasp that reminds them of Godzilla.
Fisher cats: Animals that aren't cats, nor are they really fishers By Rachel Kaufman If the fisher cat isn't the most inaccurately named animal in North America, it's certainly up there: It's not a cat, and it doesn't care much for fishing.
