Belugas and narwhals can apparently breed. Scientists have confirmed the only known specimen of beluga-narwhal hybrid.
The teensy marine worm Ampharete oculicirrata has a tangle of tentacles near its mouth — oh, and a pair of eyes on its butt.
Rocks might not sound like a delectable meal to most life-forms, but it's on the menu for a newly identified species of a plump, bizarre-looking clam.
Paleontologists have discovered the remains of an ancient Loch Ness Monster look-alike in freezing Antarctica. And just like the legendary Nessie, it wasn't the runt of the litter.
These kangaroo-like rats turn up their long, toothless snouts at peanut butter, but they love earthworms.
Koalas need their own special "water bars," especially as human-made climate change increases heat waves and droughts Down Under.
When a dragonfish smiles, nobody can see its fangs. Now researchers have figured out the secret behind this predator's invisible grin.
Tigers are the biggest cats in the world, but their populations are struggling. With only 3,200 left in the wild, there are now more living in captivity than in the wild.
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