Scholarly illustrations, museum mock-ups, and even children’s cartoons show tyrannosaurs covered in feathers. Two new fossil descriptions give reasons to doubt the tales of feathered dinosaurs.

Nodosaurs were tank-like dinosaurs, similar to ankylosaurs, covered with spiky scales and a pair of two-foot-long spikes—one protruding from each shoulder. Miner Sawn Funk encountered one during 2011 in Alberta’s Millennium Mine. The fossil turned out to be the best of its kind.

Looking for the clearest amber on Earth? A new study shows that Dominican Republic amber is clear enough to see what's inside. Apparently, ancient parasitic protozoans loved to live inside intact red blood cells.