Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) ...

Researchers at the University of New Mexico have discovered that a common, prehistoric plant distills water to such an ...

A new study on ancient societies from around the world is rewriting what we thought we knew about democracy. A team of researchers analyzed archaeological and historical evidence from 31 ancient ...

Human evolution is a fiddly business, and few fossils encapsulate that more than two skulls unearthed in Hubei Province, China, in 1989 and 1990. Both are relatively intact, but their long burial at ...

Researchers have uncovered evidence that a weapon known as the polybolos—or multi-thrower—was used during the Roman conquest ...

The buried structures are found under a deposit known as the Margin unit, rich in magnesium carbonates. The team found that the buried structures suggested multiple erosional and depositional episodes ...