South Florida Dike Poses Grave Danger, Engineers Say

An alarming engineering report on the 140-mile (225-kilometer) dike around Florida’s Lake Okeechobee has prompted emergency management officials to prepare evacuation plans for 40,000 residents living near the lake.

An alarming engineering report on the 140-mile (225-kilometer) dike around Florida's Lake Okeechobee has prompted emergency management officials to prepare evacuation plans for 40,000 residents living near the lake.

Small Increases in Warming Could Wreak Worldwide Havoc, Scientists Warn

If overall global warming exceeds 5.5°F (3°C), many parts of the world are likely to see substantially increased risks of drought, floods, and wildfires, climate scientists say.

If overall global warming exceeds 5.5°F (3°C), many parts of the world are likely to see substantially increased risks of drought, floods, and wildfires, climate scientists say.

India’s Cut-Price Space Program

Although [India’s] space program is a civilian effort, it is a symbol of national excellence — and that makes it an ideal target. But behind the several layers of security, the Indian Space Research Organisation, or ISRO, is abuzz with new projects and excitement.

Although [India's] space program is a civilian effort, it is a symbol of national excellence -- and that makes it an ideal target. But behind the several layers of security, the Indian Space Research Organisation, or ISRO, is abuzz with new projects and excitement.

What, Exactly, Is a Planet?

Nearly 2,500 astronomers from 75 countries gathered here Monday to come up with a universal definition of what qualifies as a planet and possibly decide whether Pluto should keep its planet status.

Nearly 2,500 astronomers from 75 countries gathered here Monday to come up with a universal definition of what qualifies as a planet and possibly decide whether Pluto should keep its planet status.

Simple Skin Test May Spot Alzheimer’s Early

A simple skin test that enables doctors to diagnose the early signs of Alzheimer’s disease could be available within five years, researchers say.

The test could allow doctors to intervene early on and prevent major brain damage, they say.

A simple skin test that enables doctors to diagnose the early signs of Alzheimer's disease could be available within five years, researchers say. The test could allow doctors to intervene early on and prevent major brain damage, they say.