Image of Ancient Mammoth or Mastodon Found on Bone

Some of the earliest Americans turn out to have been artists.

A bone fragment at least 13,000 years old, with the carved image of a mammoth or mastodon, has been discovered in Florida, a new study reports.

While prehistoric art depicting animals with trunks has been found in Europe, this may be the first in the Western Hemisphere, researchers report Wednesday in the Journal of Archaeological Science....