"We don't know exactly what they are or what material is creating the patterns we have uncovered," researcher Thomas Schouten said.

The researchers theorize that these far-off remnants could either be deposits of silica-rich material that have hung around ...

Rujm el-Hiri, dubbed the “Stonehenge of the East” with a 492-foot diameter, has baffled experts since it was discovered in ...

A new high-resolution computer model shows rocks that are colder, or have a different composition, in Earth's mantle where ...

Authorities moved more than 47,000 people to shelters in earthquake-hit Tibet, Chinese officials said on Thursday, while rescuers widen a massive combing ...