A Michigan rock hunter pulled a 93-pound fossilized coral stone out of Lake Michigan on Tuesday. When Tim O'Brien of Copemish, Mich., spotted the massive Petoskey stone a week ago, it was buried in ...

I was recently watching an old surf movie about the Pipe Masters surf contest held at Pipeline on the North Shore of O‘ahu and got a kick out of the prio surfers talking about the reef at Pipeline.

A breakthrough in nuclear imaging is unlocking coral fossils to reveal 600,000 years of reef and climate evolution.

A groundbreaking study of 7,000-year-old exposed coral reef fossils reveals how human fishing has transformed Caribbean reef food webs: As sharks declined by 75 percent and fish preferred by humans ...

Even though they’re found in the Great Lakes, Petoskey stones are actually fossilized coral. You can tell a Petoskey stone by its honeycomb pattern (in fact, the word “hexagon” is part of the ...

A University of Sydney student has developed a completely new way to peer inside coral fossils to recover lost records of past climate change.

The mutually beneficial relationship between algae and modern corals -- which provides algae with shelter, gives coral reefs their colors and supplies both organisms with nutrients -- began more than ...

This is a fossilized coral — one of dozens scattered across the Indian Ocean archipelago of the Seychelles. It is a piece of history, hidden in plain sight. It tells of a time 125,000 years ago, when ...

After getting some great feedback from last week’s column on Ohio’s Earth Science Week and its discussion of rocks and minerals, I thought a good follow-up this week would be to highlight some of the ...