For the scientific nitpickers wondering in advance, this measurement is calculated by comparing the total length of an adult male platypus from beak to tail to the asteroid's estimated diameter.

(Baby Platypus have teeth, but they lose them while they are still very young. The adult Platypus breaks up its food with horny pads inside its mouth.) The Riversleigh Platypus would have lived in ...

When Europeans first encountered the odd-looking platypus, it became the centre of scientific debate: was it real or just an elaborate hoax? The platypus (Ornithorhynchus anatinus) has a puzzling ...