Horrific Hurricanes

Horrific Hurricanes

How do hurricanes form? How do we predict their paths? How can we improve predictions? More »

Tsunami: The killer wave

Tsunami: The killer wave

Could an offshore earthquake start a deadly tsunami, as in Sumatra and Japan? Where do tsunamis get their power? How do warning systems More »

A climate of extremes?

A climate of extremes?

Are extreme heat, wicked cyclones and record rainfalls signs of climate change, or just more changes in the weather? Will warming More »

Shock and aftershock in Haiti

Shock and aftershock in Haiti
Aftershocks and triggered earthquakes both follow a large earthquake, and they don’t happen at random. Can lessons about the sequence More »

Earthquake safety: It begins at home

Earthquake safety: It begins at home

Construction matters. Hundreds of millions live and work in houses and schools that will collapse in the next earthquake. Chile and More »

Shark Dangers: How Overblown?

New shark repellent tested. How common are shark attacks? Meet the social shark. Learn why some people are fascinated by this More »

Tornadoes: Power & Fury

Darlene Young reacts to the devastation around her house in Pierce City, Mo., Monday, May 5, 2003, the day after the town was hit by a tornado. Young says her house was spared destruction by a church next to it that took the brunt of the winds. (AP Photo/John S. Stewart)

Tornadoes kill 60 Americans each year. How do we predict tornadoes? How do we make houses safer? Where do tornadoes get their energy? More »

Ice in Antarctica

West Antarctic Ice Sheet may be thickening, which could reduce the rise in sea level caused by global warming. More »

Potato Peril? Irish Blight Returns

Fungus that caused Irish potato famine is back, threatening potato crops around the world. How did the blight change world history, and More »

Shipwreck Mystery on Lake Superior

The Edmund Fitzgerald went down in 1975 with barely a trace, and no warning call whatsoever. New evidence pins the blame on terrible More »

Floods: The Human Role

Flooding. We call it a natural disaster. But humans have a role. How do people promote flooding by cutting trees, draining wetlands, More »

Asteroid Threat

How bad is the asteroid threat to Earth, and what are they doing to find any killer asteroids out there? Read the delightful debate More »