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

Earth magnetic field. Credit: Carnegie Institution for Science

How does Earth sustain its magnetic field?

Earth’s geomagnetic field

Earth’s magnetic field can change 10 times faster than previously thought

The composition of fossilised zooplankton shells has enabled the reconstruction of past pH and CO2. Credit: University of Southampton

By 2025, carbon dioxide levels in Earth’s atmosphere will be higher...

This illustration shows a life restoration of a pod of Ankylorhiza tiedemani hunting. Credit: Robert W Boessenecker

15-foot-long skeleton of extinct dolphin suggests parallel evolution among whales

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