Rocks returned by China’s Chang’e-6 mission suggest volcanic activity just 2.8 billion years ago but lack telltale heat-generating elements.

"The Grand Canyon is an epic Rosetta Stone for geology," Denver Museum of Nature and Science geologist James Hagadorn said.

The James Webb Space Telescope's discovery of unusually bright and massive galaxies soon after the Big Bang has cast doubt on ...

It’s the late Jurassic Period in the super continent of Laurasia, some 85 million years into the reign of the dinosaurs. The ...

The discovery in the Valtellina Orobie mountain range in Lombardy dates back 280 million years to the Permian period, the age immediately prior to dinosaurs, ...

Geodes are hollow rock formations often with quartz crystals, such as amethyst, inside. Amethyst geodes in Uruguay have been found in cooled lava flows, which date from the original breakup of the ...

Armed with advanced technology, decades of expertise, and insights from an NSF-funded study, a multi-institution team of ...

The Scot argued that the entire continent was destroyed in a single night because the main mineral on the island was granite, and that this rock had formed honeycomb-style structures. These were then ...