Sinkholes: When the ground collapses!

What are sinkholes? Why are some locations prone to earthly collapse? How dangerous are they? Can we detect and prevent them? More »

Horrific Hurricanes

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

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

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

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

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

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

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

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

Atlantic Ocean releases giant bubble of hydrogen sulfide gas near Namibia, tracked for first time from space. More »

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

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

The Edmund Fitzgerald went down in 1975 with barely a trace, and no warning call whatsoever. New evidence blames the weather. More »

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

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