Soft-tissue preservation in the wing of an Early Cretaceous bird
October 7th, 2015 | by David Marshall
Birds have a long evolutionary history; the earliest of them, the famed Archaeopteryx, lived 150 million years ago in what [&hellip
October 7th, 2015 | by David Marshall
Birds have a long evolutionary history; the earliest of them, the famed Archaeopteryx, lived 150 million years ago in what [&hellip
December 1st, 2013 | by David Marshall
What are Mass extinctions, how are they quantified, what are the driving forces behind them, how bad were the ones [&hellip