Most modern structures are built to last 50 years or so, but ingenious ancient engineering has kept ... to meet the opossum in this groundbreaking documentary. David Attenborough tells the ...

A 3.7-billion-year-old record of our planet's ancient magnetism has been unearthed, providing evidence that Earth's magnetic field already existed very early in history. This discovery ...

This ancient period of deep freeze, known as the Neoproterozoic Era, or “Snowball Earth,” lasted from about 1 billion to 543 million years ago. During that time, landmasses consolidated into a ...

About 700 million years ago, enormous glaciers flowed across the Earth's surface in powerful ... “Our research shows that ancient glaciers did far more than shape the landscape - they triggered ...