geology These organisms are 830 million-years-old and may still be alive David Pescovitz

martians Look at this tiny delicate "flower" photographed on surface of Mars David Pescovitz

volacanoes Incredible satellite video of volcanic eruption on Tongan island Mark Frauenfelder

spelunking Video finally reveals what's at the bottom of Yemen's Well of Hell David Pescovitz

pareidolia Ruin marble is a kind of rock with patterns that look like derelict cities Mark Frauenfelder

strange phenomena What's with those creepy weird blue lights accompanying the Mexico earthquake? David Pescovitz

mountains Mount Taranaki, a "circle visible from space" Rob Beschizza

Hell What lies at the bottom of Yemen's mysterious Well of Hell? David Pescovitz

applied geology How scientists actually collect magma samples in a bucket Thom Dunn

holes Mysterious crater appears in Siberian tundra Rob Beschizza

data visualizations Amazing interactive globe shows the very different location of your city 750 million years ago David Pescovitz

stonehenge Stonehenge core sample shows monument was largely quarried only 15 miles from site Rob Beschizza

moons Gloriously colorful new geologic map of the moon David Pescovitz

nanoscience The scientific secrets inside a single grain of moon dust David Pescovitz

charming minerals Behold the glowing Yooperlite rocks of Lake Superior Rob Beschizza

exotic hydrocarbon cycles Cassini probe spots dust storm on Titan Rob Beschizza

mauritius Behold this glorious underwater waterfall off Mauritius Andrea James

river Cool satellite view of dozens of oxbow lakes formed when a river changed course Andrea James

plate tectonics Here's how the Hawai'ian Islands formed Andrea James