With monuments like the Acropolis just steps apart, Greece’s capital scored a perfect 20/20 in a global study.

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

Ancient scientists can be easy to dismiss. Greek philosopher Thales of Miletus, often described as the West’s first scientist ...

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 ...

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

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

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 ...