Astronomers now understand that water-rich planets can form internally, even close to stars. A new study reveals that ...

Ancient rocks reveal a potassium-40 deficit, the first physical evidence of the proto-Earth and insights into early planetary ...

A team of Yale University–led researchers studying volcanic rocks from Morocco’s Anti-Atlas Mountains has uncovered new ...

Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites ...

The CEO of the largest satellite company in the world just proposed a bold—and totally misguided—solution to the climate ...

An analysis of feldspar crystals within the oldest magmatic rocks in Australia has provided a unique insight into Earth's ancient mantle and continents, and the early beginnings of the moon.

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic ...

A fresh analysis of rocks from one of these periods, the Ediacaran (about 630-540 million years ago), aims to solve a ...

For Missouri residents, Marvel Cave represents a treasure in your own backyard worthy of repeated visits. For travelers, it offers an experience you simply cannot find in many other locations—a ...

The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.