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Mexico's Popocatepetl Spews Ash: Big Pic

Posted Mon Apr 23, 2012 08:18 AM ET | 0

Mexico's Popocatepetl Volcano continues to blow ash and smoke, but officials are still watching and waiting to see if a threat of a greater eruption will materialize. Read more

Hurricane Katrina 6-Year Anniversary: Big Pic

Posted Mon Aug 29, 2011 01:04 PM ET | 0

Six years ago today, Hurricane Katrina made landfall and history by causing more damage than any other storm in the U.S. Read more

Arizona Wildfire Blazes on, Sullying Air: Big Pic

Posted Sat Jun 11, 2011 12:53 PM ET | 0

Firefighters are gaining some ground on the massive fire, but air quality is dangerously sooty. Read more

Indonesian Volcano's Forked Eruption: Big Pics

Posted Tue Sep 7, 2010 01:05 PM ET | 0

A new round of ominous explosions rocked Mount Sinabung over the weekend. Read more

Sinkhole, Landslides Wreak Havoc in Guatemala: Big Pics

Posted Tue Jun 1, 2010 10:04 PM ET | 0

Tropical Storm Agatha soaked Guatemala, killed nearly 180 people, and opened a giant sinkhole in the country's capital city. Read more

Gulf Oil Slick Hitches a Ride Out to Sea: Big Pics

Posted Thu May 20, 2010 12:35 AM ET | 0

Satellite images appear to show the spill entering the Gulf Loop Current, which could bring oil to the Florida Keys in about a week. Read more

Mayon Simmers : Big Pics

Posted Wed Dec 30, 2009 01:14 PM ET | 0

Views from on high of the simmering volcano and its environs. Read more

Rats Devastating Native Hawaiian Snails

Posted Tue Sep 1, 2009 12:48 PM ET | 0

At a study site high in the mountains on the Hawaiian island of Molokai, tree snails thrived for 12 years and then declined catastrophically. The culprits were introduced rats that started scouring trees for snails. Read more