But these sorts of rocks have no fossils in them. The rocks that have fossils in them are formed very slowly underwater. Water carries sediment - sand and mud – that settles on the bottom of the lake ...

When dinosaur fossils surface at a site, it is often not possible to tell how many millions of years ago their bones were buried. While the different strata of sedimentary rock represent periods of ...

When paleontologists dig up a fossil from the ground, how do they figure out the age of the piece of history? It’s not as simple as you may think. To discover more about jaw-dropping finds–like the ...