Crinoid fossils turn up by the millions, but this is just the second time that scientists have found one with soft tissues still intact.

Long before the first dinosaurs walked the Earth, and even before animals or plants colonized the land surface, distant relatives of starfish known as crinoids, which resemble sea flowers attached by ...

NORMAN, OKLA. – Before the oldest dinosaur, before animals or even plants had expanded onto dry land, ancient relatives of starfish called crinoids, resembling stalked sea flowers, were among the ...

(Dawid Adam Iurino/PaleoFactory/Sapienza University of Rome) For the first 280 million years of animal life on Earth, ...

This Michigan shoreline looks peaceful today, but the rocks underfoot tell a much older story. Standing on 390-million-year-old Devonian limestone, they begin finding marine fossils from a time when ...

Standing on the summit of Mount Everest feels like reaching the highest possible point on Earth. The mountain rises nearly nine kilometres above sea level, surrounded by ice, rock and thin air.

Ammonites swam in the Western Interior Seaway that once covered a large portion of North America. These iridescent fossils from South Dakota, around 69–72 million years old, preserve inner shell ...

Earth's oceans into a toxic, oxygen-starved crisis that erased nearly all marine life. Scientists have finally uncovered what separated ...

Clams and snails rule today’s shores because their ancient ancestors survived a catastrophe that erased nearly all ocean life. The shells scattered along modern beaches are clues to an ancient ...

Millions of years ago, South Dakota was covered by a vast inland sea. This ancient seaway supported diverse marine life, including ammonites and marine reptiles. Today, fossils from this period are ...

Kentucky is quietly hiding a forest where hunting for fossils millions of years old costs you nothing but a curious eye and a ...

There are exactly two kinds of free things in this world: the kind that make you suspicious, and the kind that make you ...