The closure of the ancient Tethys Seaway has left an indelible mark on Earth’s history. As tectonic forces slowly reshaped the planet over millions of years, this ocean’s disappearance altered climate ...
A new Spinosaurus species uncovered in northern Niger by Paul Sereno and colleagues appears to have been a wading predator of fish like its close ...
As the Earth's crust shifted and groaned over millions of years, something extraordinary happened beneath the surface. Deep inside the planet, hot rock began rising. Over time, this invisible force ...