From cannibal ants to reindeer 'cyclones' to solar tsunamis, 2019 was a metal year for nature. Here are our 10 favorite moments.
New evidence of preserved brain tissue from the Cambrian period counters arguments that nervous tissue cannot be fossilized.
House mice that were introduced to Gough Island in the South Atlantic are attacking and killing both adult and baby albatross.
The state of Florida is preparing to host the Super Bowl in January … and to wipe out as many invasive pythons as possible.
Whale experts who visited the scene described the amount of plastic in the animal's body as 'horrific.'
Permafrost mummified and preserved a young pup for millennia, maintaining its body in near-perfect condition.
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.
Massive skulls and jaws helped these carnivorous reptiles to become one of the Triassic's deadliest apex predators on land.
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.
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.
A previously unknown species of primitive bird has a tail feature associated with flight in modern birds.
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