Researchers have run through near-perfect fossils of the world's first gliding reptile with a fine-toothed comb and untangled hitherto unknown facets to discover it was a change in tree canopy which ...
Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating the body, and were used for courtship, display, deterrence of enemies and, ...
The newly described Mirasaura grauvogeli from the Middle Triassic had a striking feather-like crest, hinting that complex skin appendages arose far earlier than previously believed. Its bird-like ...