The puppets, unearthed in El Salvador, have movable heads, strange facial expressions and may have been dressed for ritual roles.

Earth’s core could contain helium from the early solar system. The noble gas tucks into gaps in iron crystals under high pressure and temperature.

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

A quantum processor solved a problem in 20 minutes that would take a supercomputer millions of years. A supercomputer then did a part of it in about 2 hours.