When Did the “Age of Man” Begin?
March 13, 2015

A new study suggests that the dramatic upheaval caused by European colonization of the Americas may have marked the beginning of a new period of geologic time. Read More

Massive Icebergs Once Reached Florida Coast
October 15, 2014

During the last ice age, they drifted thousands of miles south from Canada, researchers find. Read More

Scientists Confirm Crystal as Oldest Piece of Earth’s Crust
February 24, 2014

Researchers have confirmed that a tiny gem found in western Australia is the oldest known piece of Earth, dating back some 4.4 billion years. Read More

How Old is the Grand Canyon? That Depends, Scientists Say
January 27, 2014

New research published this weekend provides the latest fodder for a long-standing debate over when the majestic Grand Canyon was actually formed. Read More

Scientists Solve Supervolcano Mystery
January 8, 2014

A team of researchers has discovered more information about what causes “supervolcanoes” to erupt, and their findings are unsettling. Read More

Scientists Discover Protective “Ghost Glaciers” in Greenland
August 7, 2013

A new study finds that so-called “ghost glaciers” – layers of non-erosive glacial ice – have protected Greenland’s ancient landscapes for more than 800,000 years. Read More

The Last Time a Meteor Rocked Russia
February 19, 2013

Last Friday’s meteor blast recalled the memory of an even more powerful space rock explosion over Siberia: the mysterious 1908 Tunguska event. Read More

Moon Created by Giant Collision, Studies Confirm
October 18, 2012

Three new studies lend support to the theory that Earth’s satellite emerged from a fiery planetary smashup. Read More

Congo Crater Caused by Meteorite
March 13, 2011

Researchers have confirmed that a giant crater in the Democratic Republic of the Congo was formed by a crashing meteorite. Read More

What Is Earth Really Made Of?
September 24, 2010

New research suggests that a layer of molten rock or magma may lie some 1,800 miles beneath our feet, sandwiched in between the Earth's core and its lower mantle. Read More