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Natural disasters

Some bubbles grow to be more than a quarter-mile across.

Meeri Kim, Contributor

The Saffir-Simpson scale relies on wind to categorize a hurricane, but it doesn't account for storm surge or flooding.

Sofie Bates, Contributor

Heat is the number one cause of weather-related deaths in the U.S.

Karin Heineman, Executive Producer

Pressurized water may cause quakes on Mars the same way fracking and wastewater injection trigger quakes on Earth.

Charles Q. Choi, Contributor

Blazing meteor streaks through the Earth's atmosphere

Astronomers are trying to deflect a near-Earth asteroid for the first time, to prepare for a future object on a collision course with the planet.

Ramin Skibba, Contributor

Understanding how seemingly solid rocks get squished could make mining and construction projects safer.

Rebecca Boyle, Contributor

Researchers find that hot ash, lava, boulders and gas can rush from a volcano at high speeds on a cushion of air.

Charles Q. Choi, Contributor

It’s now more common to see multiple giant wildfires burning at once, straining firefighting resources, scientists say.

Ramin Skibba, Contributor

Radar has revealed evidence of an environmentally significant impact that probably occurred during the last 2.6 million years.

Charles Q. Choi, Contributor

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