The platypus (Ornithorhynchus anatinus) has a puzzling array of features. Not only does it have that iconic duck bill, it lays eggs like a bird or reptile but feeds milk to its young like a mammal.

The skeleton looks like a duck-billed platypus, and the creature probably walked like a duck-billed platypus, but it isn't necessarily a duck-billed platypus. It might be a newly discovered ...

Platypuses are one of only five species of extant monotremes—just them and four species of echidna—which split from the rest of the mammals 166 million years ago. These egg-laying mammals get their ...

The habitat of the platypus has shrunk by almost a quarter in just three decades, researchers have warned. An egg-laying mammal known for its duck-like bill, the platypus is found in river systems ...

Platypus milk could help combat one of humanity's looming problems, antibiotic resistance, scientists say. The weird creatures have a duck's beak, venomous feet and are one of only two mammals ...