Earth's magnetic field was so weak it almost disappeared. Then, seemingly out of nowhere, complex life emerged.

Researchers Amazed to Find Out T. Rex. Dinosaurs Evolved in North America 70 Million Years Ago Dinosaurs have long vanished ...

Around 70 million years ago, Earth’s largest predators were dominating continents, driven by an extraordinary evolutionary ...

Their careful work revealed a clear ~12-degree tilt of Earth's crust and mantle about 84 million years ago. But that wasn’t all. The data showed that after tipping over, Earth corrected itself ...

This localized impact pattern, unusual given that over 70% of Earth’s continental crust lies outside this region, points to the presence of an ancient debris ring. Over millions of years ...

The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an Australian fossil site that represents a critical ...

rex precursors likely arrived in North America after crossing the Bering Strait between modern-day Siberia and Alaska around 70 million years ago ... s graduate in Earth sciences and soon-to ...