10 Times Nature Was Totally Metal in 2019 By Brandon Specktor From cannibal ants to reindeer 'cyclones' to solar tsunamis, 2019 was a metal year for nature. Here are our 10 favorite moments.
Giant Panda Babies Are Born 'Undercooked' and No One Knows Why By Rafi Letzter The leading theory just fell apart.
Fossilized Brains Found in Ancient Bug-Like Creatures By Nicoletta Lanese New evidence of preserved brain tissue from the Cambrian period counters arguments that nervous tissue cannot be fossilized.
In Photos: Mice Brutally Attack and Devour Albatross on Gough Island By Jeanna Bryner House mice that were introduced to Gough Island in the South Atlantic are attacking and killing both adult and baby albatross.
Mice Caught Attacking Adult Albatross in Gruesome Video By Stephanie Pappas Conservationists are alarmed at the brazen behavior of invasive mice.
First Pig-Monkey Chimeras Were Just Created in China By Nicoletta Lanese What’s got the body of a piglet and cells from a monkey? This pig-monkey chimera.
Hunters Set to Round Up Giant Burmese Pythons in Florida Challenge By Stephanie Pappas The state of Florida is preparing to host the Super Bowl in January … and to wipe out as many invasive pythons as possible.
220-lb. 'Litter Ball' Found Inside a Dead Sperm Whale's Belly By Mindy Weisberger Whale experts who visited the scene described the amount of plastic in the animal's body as 'horrific.'
Mummified Pup Died in Siberia 18,000 Years Ago ... And Might Be a Wolf (or Something Else) By Mindy Weisberger Permafrost mummified and preserved a young pup for millennia, maintaining its body in near-perfect condition.
In the Case of the Missing Pigeon Toes, Human Hair May Be to Blame By Priyanka Runwal Many of Paris' pigeons are missing one or more toes, and human hair may be to blame.
A Blue Whale Had His Heartbeat Taken for the First Time Ever — And Scientists Are Shocked By Brandon Specktor Scientists recorded a blue whale's heartbeat for the first time, and found that the world's largest creatures can survive on just two beats per minute while diving for food.
Malaysia Says Goodbye to Iman, Its last Sumatran Rhino By Mindy Weisberger Once plentiful across Asia, Sumatran rhinos have steadily declined in recent decades.
Weird Triassic 'Dragons' Had Massive Heads. Here's Why. By Mindy Weisberger Massive skulls and jaws helped these carnivorous reptiles to become one of the Triassic's deadliest apex predators on land.
Was Same-Sex Behavior Hardwired in Animals from the Beginning? By Stephanie Pappas Same-sex sexual behavior might have started out on an equal footing with different-sex sex.
Beautifully Preserved Skull of 'Biblical Snake' with Hind Legs Discovered By Michael Caldwell, Alessandro Palci Scientists have unearthed an amazingly preserved skull of an ancient snake with hind limbs, revealing more about the origin of snakes and how they lost their legs.
'Dog Years' Are a Total Myth. Here's How Old Fido Really Is. By Yasemin Saplakoglu When your dog's big, pleading eyes look up at you, is it with old-age wisdom or teenage naiveté?
'Gay' Penguin Couple Had No Egg of Their Own. So They Stole One. By Mindy Weisberger A pair of mated male penguins in a Dutch zoo were so eager for offspring that they stole an egg from another couple's nest.
3 Cows Swept Out to Sea by Hurricane Dorian Were Found Peacefully Grazing on an Island Miles Away By Yasemin Saplakoglu They likely had to swim about four miles to the island.
Does This 'Unicorn Puppy' Really Have an Extra Tail? By Rachael Rettner The puppy appears to have an extra tail on his face, but things are not what they seem.
Dinosaur-Era Bird Preserved in 3D Could Rewrite History of Flight By Mindy Weisberger A previously unknown species of primitive bird has a tail feature associated with flight in modern birds.
