A fossil plant smaller than a fingernail, collected more than a century ago from a Scottish rock bed, is reshaping the story ...
A visualization of Tiktaalik roseae, an extinct aquatic animal with fossils that shed light on the evolution of land animals from marine animals millions of years ago. Nobu Tamura via Wikimedia ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results