With its fascinating ability to regrow entire limbs and internal organs, the Mexican axolotl is the ideal model for studying regeneration. Scientists have now found a factor that tells cells which ...

One by one, the students study, sketch and measure their individual bones. The 164 pieces once belonged to a gray whale that swam through Puget Sound. Now, they’re part of a scientific and educational ...

Paleontologists have discovered a new species, albeit a very old new species. The fossilized creature, which they are calling ...

Researchers have discovered an ancient moth-like sea predator in a treasure trove of museum fossils in Canada. The half-a-billion-year-old creature, Mosura fentoni, reveals that Cambrian arthropods ...