A sedimentary rock outcrop with wrinkles on top of ripples formed by turbidity currents. Ripples are inches to feet long.

NASA's Curiosity Rover has used LED lights for a rare night-time drilling operation. The lights are typically used to peer into shadows during the day.

We are fortunate to have an amazingly diverse collection of rocks waiting to be recognized and appreciated. Each beach rock tells a rich story—from its initial formation, often deep within the Earth, ...

The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing ...

After the Red Planet reemerged from conjunction — a period when NASA doesn't communicate with spacecraft because Mars is behind the sun from Earth's point of view in space — scientists began planning ...

Great things can come from failure when it comes to geology. The Midcontinent rift formed about 1.1 billion years ago and ...

"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years." ...

Paleontologists led by Cassius Morrison of the University College London used data from the Morrison Formation to assemble a ...

Travertine is not only a geological wonder but also a popular building material. Its use dates back to ancient Rome, evident ...

Rocks or mineral crystals can often remind us of other things in our daily lives, but coming across some of these rocks might be one of the creepiest experiences a rockhound can have! SciShow is ...