Clues to our planet’s dramatic past are in the layers of rocks we might overlook. A great guide shows why they deserve our ...

In Earth’s early days, more than 4 billion years ago, the surface was a dangerous and unpredictable place. Violent volcanoes, ...

NASA’s Earth Observatory has captured Boston Harbor’s drumlin islands in a stunning new image, offering a rare glimpse into Earth’s glacial past. Formed over 20,000 years ago during the Wisconsin ...

When most of us think about what shaped our planet, we probably picture volcanoes, earthquakes, and huge continents slowly ...

A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Credit: E. Cottrell, ...

From climate change to species loss and pollution, humans have etched their impact on Earth with such strength and permanence since the middle of the 20th century that a special team of scientists ...

Atoms within the enormous ball of iron in Earth's inner core may move around much more than previously thought, which could explain recent findings about the core's surprising softness. When you ...

Earth's crust once formed a dense "root" supporting Colombia's northern Sierra Nevada de Santa Marta mountains, but new research suggests this prop sank into the mantle millions of years ago. When you ...

The Fellowship did not begin the Quest in the Shire; nor did the Quest end in the darkest depths of Mordor. There was no trekking through the Mines of Moria, and the Plains of Rohan remain untrod, for ...

I had no intention of going into science. In my early teens, I wanted to be a jockey and was firmly convinced I would never weigh more than 100 pounds. I quickly exceeded that weight cap and switched ...