A team of Penn State researchers studied Telica Volcano, a persistently active volcano in western Nicaragua, to both observe and quantify small-scale intra-crater change associated with background and eruptive activity. IMAGE: Google Earth

Photos may improve understanding of volcanic processes

A snapshot of a model from the new work, showing the late stages of growth and coalescence of a new global fracture network. Fractures are in black / shadow, and colors show stresses (pink color denotes tensile stress, blue color denotes compressive stress).

A new idea on how Earth’s outer shell first broke into...

Arizona Rock Offers Clues to the Chaotic Earth of 200 Million Years Ago

Arizona Rock Offers Clues to the Chaotic Earth of 200 Million...

A Trapiche emerald from Muzo Mine, Colombia. Credit: Luciana Barbosa/Wikipedia

Trapiche Emerald : What is a Trapiche Emerald? How Does a...

The Pink Star diamond, which fetched the highest price ever for a jewel offered at auction, is displayed at Sotheby's in Hong Kong on March 29. Credit: Vincent Yu/AP

Pink Star Diamond : The largest known Pink Diamond

Life restoration of Kongonaphon kely, a newly described reptile near the ancestry of dinosaurs and pterosaurs, shown to scale with human hands. The fossils of Kongonaphon were found in Triassic (~237 million years ago) rocks in southwestern Madagascar and demonstrate the existence of remarkably small animals along the dinosaurian stem. Art by Frank Ippolito / © American Museum of Natural History

A tiny ancient relative of dinosaurs and pterosaurs discovered

The fossilized remains of this Xiphactinus - similar to the one found in Argentina - was discovered in the US state of Kansas and sold at auction in 2010

Fossil of giant 70m year-old fish found in Argentina

An artist's interpretation of Dilophosaurus based on the latest research. Credit: Brian Engh / The Saint George Dinosaur Discovery Site.

Famous ‘Jurassic Park’ dinosaur is less lizard, more bird

Earth

Study could rewrite Earth’s history

Three water-filled maars, created by volcanic eruptions, in Germany’s Eifel region. Credit: Martin Schildgen/Wikimedia Commons

New evidence of long-term volcanic, seismic risks in northern Europe

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