Very powerful, try to avoid.
Lightning strikes are powerful – but we haven't had solid estimates of their energy until now. Researchers turned to the hollow stone tubes they create by vaporizing sand for more precise calculations.
A rockfall following the Christchurch earthquake in New Zealand in 2011.
A new study of the 2011 Christchurch earthquake shows boulders from rockfalls fell much further than in earlier quakes that happened before humans arrived and changed the landscape.
The biggest state has a brand new map.
Geologic Map of Alaska
On printed maps, piling on the detail risks obscuring the meaning. This new digital map is really more of a database from which users can create different versions that match their own interests.
Spectacular landscape of the Nuweveld escarpment showing exposures of the Beaufort Group.
The Karoo provides not only a historical record of biological change over a period of Earth’s history but also a means to test theories of evolutionary processes over long periods of time.
A new mineral – dubbed “putnisite” – has been discovered in Western Australia. Mineralogy researcher Dr Peter Elliott from…