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

Within the first year of life, a baby horseshoe crab molts a number of times. This is how they grow. At first, their shells ...

16.5 x 26.25 in. (41.9 x 66.7 cm.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...