A team of researchers has just announced the first-ever “reconstruction” of a psittacosaurus’s cloaca; that is, the dinosaur’s all-purpose hole used for urinating, defecating, mating, and laying eggs.

Once, long ago, a little reptile going about its business plopped itself down in the mud before getting up and carrying on with its day. Nearly 300 million years later, that brief rest has yielded the ...

How did digits evolve? While it is clear that they derive from genetic programs already present in fish, their precise origin remains a matter of debate. An international team led by the University of ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The Psittacosaurus specimen, from Senckenberg Museum of Natural ...

Despite the huge number of dinosaur fossils found, from bones to feathers, precious little exists in the fossil record to explain dinosaur defecation, urination, or copulation. Thankfully, all three ...

Visual Science Communicator, Garvan Institute of Medical Research and Lab Research Fellow, 3D Visualisation and Aesthetics Lab UNSW Art and Design, UNSW Sydney I think it’s fair to say that I am ...