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Sep 24, 2015 12:59 PM ET // Patrick J. Kiger
The 93-pound Petoskey stone is a reminder of the state's ancient history as a warm sea.
Sep 15, 2015 12:00 PM ET // Stuart Gary, ABC Science Online
The world's longest chain of continental volcanoes has been discovered stretching for more than 1,200 miles along eastern Australia.
Sep 14, 2015 07:00 AM ET // Patrick J. Kiger
The continent's ancient core actually is deformed. Continue reading →
Aug 17, 2015 12:24 PM ET // Jennifer Viegas
Coffee was not needed to wake up news reporters in the San Francisco Bay Area, since an earthquake struck during this morning's live broadcasts.
Aug 7, 2015 09:00 AM ET // Larry O'Hanlon
A mysterious group of delicately balanced rocks that should not exist has led to a revelation about the San Andreas Fault. 
Jul 31, 2015 03:40 PM ET // Patrick J. Kiger
Two volcanoes are connected to the same underground pipe, yet mysteriously contain differing types of material. Here's why. Continue reading →
Jul 30, 2015 02:15 PM ET // Paul Heltzel
The nation's capital will drop 6 inches in the next 100 years, and coupled with sea-level rise faces a flooding double-whammy.
Jul 28, 2015 04:07 PM ET // Sarah Lewin,
The remains of burnt out Iron Age huts in Africa hold clues into understanding a bizarre weak spot in the Earth's magnetic field and weird magnetic pole reversals. Continue reading →
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