The record-breaking mission offers an unprecedented opportunity to study the geology of our planet’s largest layer.

A UT San Antonio-led international research team has identified chitin, the primary organic component of modern crab shells ...

Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.

The surface of our world has been in a constant state of flux for millions of years. Continents have wandered, oceans have ...

Earth froze over 717 million years ago. Ice crept down from the poles to the equator, and the dark subglacial seas suffocated ...

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 ...

A new study reveals a detailed look at what lies beneath the Hawaiian hotspot.

Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature. Every so often, the magnetic north and south poles swap places in what are ...

This illustrated geologic timescale of Earth focuses on the landscapes, flora and fauna of the West, drilling into the region’s deep history.

Travertine is not only a geological wonder but also a popular building material. Its use dates back to ancient Rome, evident ...

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 ...