WASHINGTON - A chunk of Antarctic ice about seven times the size of Manhattan suddenly collapsed, putting an even greater portion of glacial ice at risk, scientists said Tuesday.

MOSCOW -- A Russian icebreaker carrying over 100 tourists, scientists and journalists on a cruise around Antarctica was struggling to free itself from sea ice but was not in any danger, a shipping company said Tuesday.

PUNTA ARENAS, Chile - A rare calm in Antarctic seas and the swift response by a passing ship helped save all aboard a Canadian cruise liner that struck an iceberg in the night and sank, rescued passengers and experienced sailors said Saturday.

After the agonizing spectacle of survival that was “March of the Penguins,” Frank Marshall’s “Eight Below” feels something like a dogand-pony show, minus the ponies.

“Arizonans are known for their cheapness when it comes to public education so expect a big run on Wal-Mart greeters when it comes to filling school resource officers positions.”

NEW YORK - Animal Planet's desire to become less warm and fuzzy means exposure to some unaccustomed issues, such as danger on the high seas and journalistic fairness.

SANTIAGO, Chile - Scientists on Tuesday blamed global warming for the disappearance of a glacial lake in remote southern Chile that faded away in just two months, leaving just a crater behind.

September 17, 2004

WELLINGTON, New Zealand - Marine scientists in New Zealand on Tuesday were thawing the corpse of the largest squid ever caught to try to unlock the secrets of one of the ocean's most mysterious beasts.

WASHINGTON - Changing climate will mean increasing drought in the Southwest - a region where water already is in tight supply - according to a new study.

August 14, 2004

September 21, 2004

The penguins are as adorable as ever in "Happy Feet Two." Yet a couple of shrimp-like krill at the bottom of the food chain almost steal the show in this animated sequel that sticks to the formula of the original while adding enough variety to give it a life of its own.

WASHINGTON - The northeastern U.S. coast is likely to see the world's biggest sea level rise from man-made global warming, a new study predicts.

TORONTO - A chunk of ice shelf nearly the size of Manhattan has broken away from Ellesmere Island in Canada's northern Arctic, another dramatic indication of how warmer temperatures are changing the polar frontier, scientists said Wednesday.

Like the beat of a butterfly’s wings affecting far-off events, all it takes for drastic weather worldwide is unusually warm water in the Pacific Ocean. This phenomenon, known as El Niño, brings about forest fires in Australia, more sea ice in the Antarctic, fewer hurricanes in the Caribbean — and rain in Arizona.

LOS ANGELES - "Charlie and the Chocolate Factory" and "Wedding Crashers" held off a rush of new releases to retain the top two spots at the weekend box office.

WASHINGTON - Toy-maker Fisher-Price is recalling 83 types of toys — including the popular Big Bird, Elmo, Dora and Diego characters — because their paint contains excessive amounts of lead.