In Earth’s early days, more than 4 billion years ago, the surface was a dangerous and unpredictable place. Violent volcanoes, ...

A first thought when describing a rock formation likely isn't a mille-feuille, but there are actually certain types composed ...

A hike around the lovely Shaddox Hollow Trail at Hobbs State Park-Conservation Area leads to forest, streams and rock. Lots and lots of rock. So much rock that a self-guided geology tour now lets ...

About 4.5 billion years ago, a Mars-sized object smashed into the young Earth, spraying debris that coalesced to form the moon, many scientists think. Some remnants of that object, called Theia, exist ...

The Perseverance rover’s new findings set the stage for bringing Martian samples back to Earth to test whether microbes once ...

A bizarre new type of rock containing plastic has been found across the globe, formed mainly from plastic we have created and discarded. This deposit is a combination of rock and plastic polymers from ...