Ancient horsetail plants produce water with unusual oxygen isotopes, offering scientists a new tool to reconstruct Earth’s climate history and understand humidity patterns from millions of years ago.

Over four millennia ago, in the final days of the Akkadian Empire in Mesopotamia, a drought swept over the region, afflicting lands as far away as Greece and what’s now Pakistan. Probably driven by ...

In 2025, scientists discovered that gold is escaping from Earth's core and the world's oldest rocks may be located in Quebec, ...

Modern continental rocks carry chemical signatures from the very start of our planet's history, challenging current theories about plate tectonics. Researchers have made a new discovery that changes ...

Learn about how Earth’s history is written in its rocks with this excerpt from “How to Read a Rock” Jan Zalasiewicz The pine tree, in this age-old relationship, is supported by the rock, and gains ...

The Great Oxygenation Event, which occurred around 2.4 billion years ago, was one of the biggest transformations of our planet. Before it, there was practically no oxygen in the atmosphere; after, ...

Earth’s mantle is the thick layer of silicate rock between Earth’s crust and its molten core, making up about 84% of our planet’s volume. The mantle is predominantly solid but, on geologic time scales ...

Did you know that our planet is rocketing around the sun at 67,000 mph? Or that it once had two moons? Here are some amazing facts about Earth.

More than 8 billion people inhabit our planet, and each year Earth Day reminds them of the need to take care of their home. The springtime holiday, which takes place today—April 22—dates back to 1970, ...