Scientists have uncovered an unexpected genetic shift that may explain how animals with backbones first emerged and became so diverse.
Many spine-bearing creatures, or vertebrates, have a curious bit of tissue deep in their brains called the pineal gland. It ...
Vertebrates first appeared in shallow marine habitats around 500 million years ago. They then transitioned to land nearly 370 million years ago and took to the skies around 200 million years ago. For ...
Every mammal, every fish, every vertebrate (creatures that have a spine) has two eyes. It’s been that way for millions and ...
New research from the University of St Andrews has discovered a crucial piece in the puzzle of how all animals with a spine—including all mammals, fish, reptiles and amphibians—evolved. In a paper ...
New research from the University of St Andrews has discovered a crucial piece in the puzzle of how all animals with a spine - ...
Charles Darwin proposed that evolution is driven by gradual variations in organisms that have a survival advantage in a changing environment. But University of Maryland evolutionary biologist Karen ...