Biologist Richard Sternberg explains how the whale-evolution sequence is more “artistic license” than demonstrable fact.
You’ve heard about salmon, whales, and sea turtles. Now learn what the clumsy-looking elephant seal accomplishes navigation-wise.
The spines of Australian echidnas and North American porcupines are remarkably similar.
A millimeter-sized beetle flies efficiently with feathery wings and a beat mode not seen before. Did it evolve by natural selection?
Examples of so-called “convergent” evolution are ubiquitous, including the camera eye design shared by the squid and human.