7-foot 'monster' sturgeon found in Detroit River could be over 100 years old By Harry Baker Scientists surveying the Detroit River caught a monstrous sturgeon weighing 240 pounds (109 kilograms) and measuring 6 feet 10 inches (2.1 meters) in length.
Cats love boxes so much they'll even sit in fake ones By Charles Q. Choi Cats like boxes so much, they will even climb into the illusion of a box, scientists find.
Baby minke whale euthanized after getting trapped in Thames River By Ben Turner The injured baby whale slipped free from rescuers on Monday morning, and became stranded again after swimming upstream into shallower waters.
Meet the marine worm with 100 butts that can each grow eyes and a brain By Mindy Weisberger A marine worm from waters near Australia has a branching body that divides into multiple posteriors. In other words: It has a lot of butts.
All hail 'Emperor Dumbo,' the newest species of deep-dwelling octopus By Cameron Duke A new species of Dumbo octopus, nicknamed the Emperor Dumbo, has been dredged up from the deep sea.
Do other animals get heart attacks? By Ashley P. Taylor Humans may be heart-attack-prone because of a mutation that keeps us from making a particular sugar molecule.
Jurassic squid got murdered mid-meal, leaving this epic fossil behind By Laura Geggel About 180 million years ago, a shark likely attacked a squid-like creature eating a crustacean.
Tiny dinosaur that looked like an owl hunted like one, too By Mindy Weisberger A small desert-dwelling theropod dinosaur named Shuvuuia had excellent night vision, and its hearing was comparable to that of an owl. Like many owls, it was probably a nighttime predator.
Ancient turtle with a frog face sucked down its prey millions of years ago By Harry Baker A newly discovered species of extinct ancient turtle uncovered in Madagascar is proof of convergent evolution of suction feeding in turtles.
Decapitated worms 'see' with their headless bodies By Mindy Weisberger Microscopic worms called planarians can detect light with their bodies, after scientists removed the worms' heads.
Divers discover massive thigh bone from Ice Age mammoth in Florida river By Stephanie Pappas Two amateur archaeologists diving in the Peace River of Florida found an Ice Age mammoth bone.
Young green turtles tracked to 'lost years' hideaway By Nicoletta Lanese A new study shows where green sea turtle hatchlings go after leaving the beach.
This Muppet-faced frogmouth is the 'most Instagrammable bird' on Earth By Brandon Specktor Researchers scoured more than 27,000 bird photos on Instagram to see which ones consistently got more likes than expected. The big winner was the owl-like frogmouth.
Mustangs: Facts about America's 'wild' horses By Alina Bradford, Patrick Pester Mustang horses roam freely across the western United States and are a symbol of pioneering spirit, but they aren't quite wild.
Do snakes have ears? By Tara Santora Snakes have anatomy that helps them hear, you just can't see it when they slither by.
Which animal has the stretchiest mouth? By Patrick Pester The animal kingdom is filled with stretchy mouths, from hamster cheeks to blue whale pleats, but which animal has the stretchiest mouth of all?
How scientists caught footage of 'the kraken' after centuries of searching By Brandon Specktor A new study looks at how scientists captured the world's first (and second) recordings of a giant squid in its natural habitat.
Mystery of extinct horned crocodile solved after 150 years By Harry Baker Scientists have solved a 150-year-old mystery surrounding the classification of the extinct horned crocodile from Madagascar, giving it its own evolutionary group.
Baby mantis shrimp throw knockout punches at 9 days old By Nicoletta Lanese Larvae punch slower than adults can, but still strike far faster than their prey can swim.
Arctic sponges crawl around the seafloor and leave bizarre brown trails to prove it By Harry Baker For the first time, researchers have captured images of bizarre brown trails on an Arctic ridge that appear to have been left by sponges crawling across the seafloor.
