Unique microscopic structures make the feathers so black they look like a hole in space around the colored patches.
When it comes to raising golden-headed lion tamarin babies, everyone cooperates -- especially the grown males.
Mouse-sized mammal had gliding membranes and a unique inner ear.
With gene editing technology, newly discovered mutations may become tools for boosting booze flavor.
Vertical pupils and massive bodies might look cool on TV, but could handicap a dragon in the real world.
Read on to learn about strange seashore phenomena, from cannibalistic shark embryos to worms whose butts become autonomous sex machines.