Black widow spiders: Facts about this infamous group of arachnids By Mindy Weisberger, Jessie Szalay published 7 December 21 Black widow spiders are several species of arachnids in the genus Latrodectus that are known for the females' striking appearance and rumored tendency to eat their mates.
Toxic cane toads are invading Taiwan. Conservationists race to contain warty amphibians. By Harry Baker published 7 December 21 Taiwan is racing to contain an outbreak of invasive cane toads, which likely escaped from a black market breeder.
Scientists inserted disco 'strobe lights' into jellyfish to see how they function without brains By Nicoletta Lanese published 6 December 21 Scientists genetically modified jellyfish in order to make their neurons light up.
More than 300 smuggled tarantulas, scorpions and giant cockroaches seized from luggage in Colombia By Mindy Weisberger published 6 December 21 Authorities at Colombia's airport in Bogotá found and confiscated hundreds of arthropods that German travelers had illegally collected and stashed in a suitcase.
Real-life Moby Dick spotted off the coast of Jamaica By Harry Baker published 3 December 21 Sailors aboard a gas tanker spotted and filmed a rare encounter with a white sperm whale near Jamaica.
Giant 'phantom jellyfish' that eats with mouth-arms spotted off California coast By Ben Turner published 2 December 21 The rare creature has only been spotted roughly 100 times since its discovery in 1899.
Fossils of 400-million-year-old 'Excalibur worm' discovered in Australia By Brandon Specktor published 2 December 21 Researchers discovered the fossils of two previously unknown armored marine worms named Excalibur and Shuriken.
This 130 million-year-old ichthyosaur was a 'hypercarnivore' with knife-like teeth By Stephanie Pappas published 2 December 21 A newly identified species of ichthyosaur had big teeth to attack large prey, possibly including other marine reptiles.
'Very weird' ankylosaur's tail looked like an Aztec war club By Laura Geggel published 1 December 21 Paleontologists in Chile have found the remains of an ankylosaur that represents a new dinosaur lineage.
Ants vomit into each other's mouths to form social bonds By Cameron Duke published 1 December 21 Ants are highly social animals that have social networks, and they exchange info through vomit.
Biggest eagle to ever live plunged headfirst into dead prey to eat the organs By Mindy Weisberger published 1 December 21 Haast's eagle may have hunted large prey like an eagle, but its eating habits — targeting the internal organs — were more like those of a vulture.
Famous T. rex had a bone infection, new medical scans reveal By Nicoletta Lanese published 1 December 21 Scientists used a special technique to examine the fossil without damaging it.
New video reveals how 'caterpillar soup' transforms into shimmering butterfly wings By Nicoletta Lanese published 29 November 21 Scientists watched butterfly wing scales form within the chrysalis.
Exquisitely-preserved mammoth tusk found 10,000 feet underwater By Joanna Thompson published 29 November 21 Researchers discovered the 100,000 year old tusk of a mammoth off the coast of California
What's the difference between arms and tentacles? By John Arnst published 29 November 21 Some sea creatures have arms, others have tentacles and a few have both. So, what's the difference between these appendages?
4-legged 'snake' fossil is actually a different ancient animal, new study claims By Laura Geggel published 27 November 21 A new study claims that a fossil previously believed to be the first known four-legged snake is actually more lizard-like than serpentine.
Octopuses, squids and lobsters could become 'sentient beings' in the UK By Harry Baker published 26 November 21 The U.K. government has included cephalopods and some crustaceans in a new bill that recognizes sentient animals.
Video captures great white shark's gruesome attack on a seal near Cape Cod By Mindy Weisberger published 22 November 21 A great white shark attacks a seal near Cape Cod, and video captured the gory battle.
Are zebras white with black stripes or black with white stripes? By Jennifer Welsh published 21 November 21 Zebras' black-and-white coloration is iconic, but what color are their stripes?
Eerie video captures elusive, alien-like squid gliding in the Gulf of Mexico By Nicoletta Lanese published 18 November 21 The bigfin squid has a ghostly pale appearance and long, spindly tentacles.
