A shark instantly killed a stranded pygmy sperm whale on New Zealand's Māhia Peninsula, where officials had warned about increased shark activity.
Researchers measured the temperature of the Chicxulub crater 66 million years ago, unlocking mysteries of the dinosaur-dooming mass extinction event.
Lake Rotorua, which sits at the heart of a dormant volcano and is the setting for one of New Zealand's most famous Māori love stories, has been mapped in detail for the 1st time.
Scientists spent years retrieving fossils of the Cretaceous sauropod, which they've named Sidersaura, or "star lizard."
A "chicken from hell" dinosaur that lived just before the asteroid struck has been discovered in South Dakota.
Bigfoot reports across North America have been linked to the presence of black bears, but the research can't account for sightings in Florida.
A newfound species of fungus gnat is behind Alaska's "snake worm" mystery, in which thousands of fly larvae moved together in the shape of a snake.
Scientists have identified three definitive supercontinents in Earth's history and predict the landmasses we live on today will come together again in the future.
A remotely operated submersible was deep in a never-before-studied part of the ocean when it extracted the megalodon tooth.
This green honeycreeper has male plumage on one half of its body and female plumage on the other half.
Animals' strange behaviors frequently made headlines this year, from orcas sinking boats to dogs drowning kangaroos.
Scalloped hammerhead sharks used to seek refuge at two Mexican seamounts, but it appears fishing has killed them off.
A new study re-examining old fossils collected by a Colombian priest more than 50 years ago has found they are actually rare hatchling turtles.
Chimps usually hunt for their meat, but a rare confrontation between a chimp and an eagle in Tanzania showcased their ability to scavenge.
Researchers have found evidence that aftershocks may continue for centuries after a major earthquake — though the finding is still open for debate.
Researchers found three species of skink in Australia they feared could be extinct, including the Lyon's grassland striped skink.
Scientists have discovered that chimps living in Côte d'Ivoire carry out surveillance on each other to avoid or incite conflict — much like in human military operations.
DNA from a supposed Abominable Snowman actually came from a horse, but that doesn't mean stories of the Yeti passed on by local people aren't important.
Researchers are only beginning to understand the cryptic lives of the earless monitor lizards of Borneo.