Timeline: What to know about Trump’s global tariff rollout By Elisabeth Buchwald, Rachel Wilson, Amy O’Kruk and Eleanor Stubbs, CNN 1 min read Updated 11:51 AM EDT, Mon July 14, 2025 ...

The oldest terrestrial snail fossils belong to the species Protocarychium mirum and Protocarychium arcidentata from the Late Carboniferous period between 350 and 300 million years ago.

The world's best-preserved fossils are right outside Chicago: But there are no dinosaur bones at Mazon Creek by Adriana Pérez ...

Fossilized tracks from an early reptile are now the oldest known reptilian tracks, meaning the tetrapod ancestor most likely ...

Amniotes are thought to have diverged from amphibians at the dawn of the Carboniferous period, about 355 million years ago. Mammals would diverge from reptiles and birds only 30 million years later.

Fossil footprints from the ancient Carboniferous Period have caused a stir among paleontologists worldwide. These tracks suggest reptiles roamed Earth far earlier than anyone suspected. Researchers ...

“The timeline of these events has seemed clear-cut: the first tetrapods evolved during the Devonian period and the earliest members of the modern groups appeared during the following Carboniferous ...

Our new discovery, published today in Nature, details ancient fossil footprints found in Australia that upend the early ...

The latest findings suggest that amniotes also existed in the early Carboniferous period, around 355 million years ago.

Fossil records of crown-group amniotes – the group that includes mammals, birds and reptiles – begin in the Late Carboniferous period (about 318 million years old), while previously the ...