Rare ice age lion fossil found in Mississippi River
From the Watch Now: Herd of cows help police catch suspect in U.K., and more of today's top videos series
Experts believe a fossilized jaw bone that was found in the drought-stricken Mississippi River belongs to an extinct lion species.
In this Series
As featured on
Watch a herd of cows help police catch a suspect in the U.K., a rare ice age lion fossil was…
This time-lapse video shows Indonesia’s Mount Semeru volcano erupting, meet the man who sing…
