JOHNSON COUNTY, Iowa (KCRG) - When more than 300 billion gallons of floodwater poured over the Coralville Lake spillway in 1993, it washed away several feet of silt, sand, and limestone, revealing ...

Ancient lungfish fossils show how early fish evolved features that eventually allowed animals to leave the water and adapt to life on land.

ALPENA, MI – This state park is the perfect place to take your rock hunting hobby to the next level. Rockport State Recreation Area is known to have exposed fossils from the Devonian period – more ...

Climate change and asteroids are linked with animal origin and extinction -- and plate tectonics also seems to play a key evolutionary role, 'groundbreaking' new fossil research reveals. The discovery ...