Earth Formed From Diverse Meteorite Mix, Study Suggests
Our planet's history is more complicated than once thought.
Mega volcanoes 'may be predicted'
Big Tokyo quake is 'likely soon'
It's Official: Stonehenge Stones Were Moved 160 Miles
Some of the volcanic bluestones in the inner ring of Stonehenge match an outcrop in Wales 160 miles from the site, geologists show.
Sunken Amazon river 'not a river'
Chile volcano ash alert remains
Chile volcanoes 'turned sky dark'
Warming 'to leave tropics hungry'
Icelandic ash 'may drift over UK'
Ecuador declares volcano alert
Quake mission to 'ring of fire'
Space Pictures This Week: Supernova Stripes, Trojan Moon...
Satellites spy power outages in Japan, a supernova remnant shows its stripes, and more in the week's best space pictures.
Earthquake Hazards Program
USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards