Almost 13,000 years ago, a massive fragment of a comet exploded over Louisiana, turning stone into glass and potentially offering evidence for one of history’s most controversial theories.
New research supports ideas popularized by author Graham…
Almost 13,000 years ago, a massive fragment of a comet exploded over Louisiana, turning stone into glass and potentially offering evidence for one of history’s most controversial theories.
New research supports ideas popularized by author Graham…