Armed with the latest satellite data, scientists are on the verge of giving space-based warnings for two of humanity's deadliest disasters.

Twelve thousand non-native lizards are treating the town of Boca Grande like their personal paradise. Fed-up residents may pay an "iguana tax" to banish the reptiles.

How accurate are the claims made in the new documentary about global warming? We ask the experts.

Lava, poison gas, and intriguing animals are among the attractions at the only underwater arc volcano to be photographed in action.

Sunlight reflected from Earth onto the moon may hold clues to global warming and help locate Earth-like planets, scientists say.

The drama surrounding the first wild bear to roam Germany in over 170 years has renewed questions about how well humans and bears can coexist.

Forecasters are warning that a hurricane making landfall at or near New York City could cause major problems well beyond the nation's largest city.

Fly alongside a Lighthawk pilot and his passenger as they survey environmental issues in California's largest state park.

Dubbed America's environmental air force, Lighthawk pilots donate their planes and time to help experts study conservation situations from above.

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A Canadian company has developed a new, more efficient process to make the alternative fuel ethanol from farm waste.

The worst coral die-off on record has all but destroyed reefs in the Indian Ocean, new research shows, causing local fish extinctions and raising concerns about the fate of reefs around the world.

As light pollution worsens across the United States, astronomers are urging citizens adopt dark-skies policies that would limit the amount of light shining upward.

Many Indonesian villagers are refusing to evacuate the volcano's flanks despite warnings of imminent danger by government and scientific authorities.

Hundreds of dead birds and many more in need of rescue are showing up on beaches near and in a Patagonia nature reserve, according to news reports.

The Census of Marine Life, conducted last month in the North Atlantic, captured images of tantalizing deep-sea creatures, including a dozen newly identified species.