The shadowy mass, known as the Haruj volcanic field, covers around 17,000 square miles (44,000 square kilometers) in central Libya and contains roughly 150 extinct volcanoes, ranging from small ...

For instance, a 2022 analysis suggested that in the first billion years, when the Moon was covered in molten rock, giant rocks formed as the magma cooled and solidified. Denser minerals sank to ...

Pictures showing what appears to be a simple pile of rocks lying in Australia’s remote Pilbara region hide a secret. Deep underneath is a purpose-built “den” designed to protect one of the region’s ...

As the rocks' electrons settled back, they assumed a new orientation, in line with the momentary high magnetic field. "It's as if you throw a 52-card deck in the air, in a magnetic field, and each ...