It used to be thought that there were more volatiles than expected in lunar soil because they escaped Earth before it had a ...

Scientists recently identified the oldest material on Earth: stardust that's 7 billion years old, tucked away in a massive, rocky meteorite that struck our planet half a century ago. Some of these ...

A drawing of an orange, cloud-covered planet against a black background During the Archean Eon, 4-2.5 billion years ago, Earth likely looked very different than it does today. Its hazy skies may have ...

More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like ...

Through the analyses of gases and fluids preserved within salt crystals, the team extended the direct record of Earth’s ...

This fossil discovery brought back memories from my childhood. Finding creatures that once lived in ancient oceans reminded ...

A molten lava world cloaked in a thick envelope of vaporized rock could be the strongest evidence we have yet of a rocky ...

Architects also praise rammed earth’s high thermal mass—insulative properties that regulate a building’s indoor temperature.

A 1.5-million-year-old skull fossil from Gona, Ethiopia now has a virtual face, thanks to digital reconstruction.

A rare fossil plant reveals how early plants moved water and food, helping to explain the secrets of tree growth.

Four billion years ago, Earth was violent, hot, and unstable. Yet new research suggests that by then, life had already ...