Pre-1950 structures suffered the most damage from August 2014 Napa quake

Lightning plus volcanic ash make glass

Volcanoes: How they’re formed and why they erupt. Videographic

Core work: Iron vapor gives clues to formation of Earth and...

What’s beneath Hawaii’s most active volcano?

How were fossil tracks made by Early Triassic swimming reptiles so...

Map outlines western Oregon landslide risks from a subduction zone earthquake

NASA Image of Colima Eruption

Crocodiles rocked pre-Amazonian Peru

International team of scientists launches fossil database

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