Detailed imaging of a 250-million-year-old fossil has revealed the first proof that the ancestors of mammals laid eggs. The ...

A rare fossil discovery is shedding light on the “missing years” of early sponge evolution. Scientists found a ...

More than 539 million years ago, soft, clarinet-shaped animals anchored themselves to the seafloor on disc-shaped bases, swaying alongside stalked animals resembling worms and baskets. These ...

Hello parents, teachers and students! If you’re looking for a fun way to explore how fossils are made, check out these gummy worms and bread fossils. Be sure to check out GMSA@9 on Wednesdays, when ...

A fossil that appears to shine like gold has been quietly misleading scientists for decades. Found in black shale deposits in ...

Scientists have discovered fossils in China that reveal a crucial transition from simple to complex life on Earth ...

The species in question was a therapsid, a group of animals that was the forefather to modern-day mammals, including humans.

Ice cores, tree rings, and satellite data converge on a striking truth: Earth’s rapid changes today are unlike anything seen in human history. When most people hear the term Earth science, they think ...

A treasure trove of fossils from China shows that the Cambrian explosion may have been less explosive than scientists once ...

Among some of the most spectacular fossils unearthed are those found in strange locations, and new research is now showing ...

If you trace the animal family tree back through the fossil record, the trail usually goes cold about 539 million years ago. Before this boundary—the start of the famous Cambrian explosion—multicelled ...