Earth's Systems
- Earth
Digging into a tsunami disaster
A powerful earthquake under the Indian Ocean changed Earth's surface and spin.
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- Earth
A volcano wakes up
Earthquakes, small eruptions, and a new lava dome unsettle Mount St. Helens.
- Climate
Recipe for a hurricane
Predicting how, when, and where major storms will occur can help save lives.
- Earth
Deep drilling at sea
Drilling holes deep into the seafloor unveils the ocean's past and hints at Earth's future.
- Climate
A dire shortage of water
Parts of the southwestern United States are in the middle of the worst drought in at least 500 years.
- Earth
Distant quake changes geyser eruptions
An Alaskan earthquake changed the timing of geysers thousands of miles away.
- Humans
A human migration fueled by dung?
When people crossed from Asia to the Americas thousands of years ago, burning dung may have kept them warm.
