Earth
- Climate
Arctic algae show climate change
Sediment from Arctic lakes shows that much of the Northern Hemisphere has been warming for many decades.
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- Environment
Spotty survival
The northern spotted owl faces unpredictable threats and an uncertain future.
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- Earth
Wave of destruction
The recent Indian Ocean tsunami was one of the most deadly and destructive natural disasters in modern times.
- Earth
Digging into a tsunami disaster
A powerful earthquake under the Indian Ocean changed Earth's surface and spin.
- Animals
A fallout feast for crabs
Crabs can take advantage of hot, toxic plumes from undersea vents to feed on poisoned plankton.
- Environment
The birds are falling
The disappearance of many birds could harm ecosystems that depend on them.
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- Earth
A volcano wakes up
Earthquakes, small eruptions, and a new lava dome unsettle Mount St. Helens.
- Climate
A change in climate
Global warming may be wiping out some plants and animals or pushing them into new habitats.
- Tech
Explorer of the extreme deep
A new project to build an improved research sub aims to shed light on the mysterious ocean depths.
