Around 220 million years ago, shifting climate conditions created an environment that allowed pterosaurs to evolve and take ...

The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.

The Triassic period, spanning 252 to 201 million years ago, was crucial for the evolution of terrestrial tetrapods, including early dinosaurs, mammalian ancestors, and crocodile relatives.

Only in the most recent rocks of the period do they show up, for they were latecomers to the Triassic party. Trilobites would not have been tasty. All shell and legs Back to Pangaea. Its coming ...

And that mattered, because during the late Triassic, a giant supercontinent called Pangea was breaking apart. Oceans were forming, volcanoes erupted violently and the climate underwent dramatic ...

The End Triassic Extinction ... the modern-day Americas and Europe/North Africa on the ancient supercontinent Pangaea—spewed out unfathomable amounts of lava and poured enormous amounts of ...

A map of Pangaea during the late Triassic shows where evidence of prosauropod dinosaurs ... [This article originally appeared in print as "Sands of Time."] ...

Heavy rains in southern Brazil revealed the remains of a carnivorous dinosaur belonging to the Herrerasauridae family, which roamed Pangea during the Triassic 233 million years ago. This would ...