Hundreds of hydroelectric dams planned for rivers across the Balkans would provide green energy—at a big cost
If the prototype is successful, a full-scale 100-kilometer-long barrier will be strung out in the Pacific Ocean to collect some 68 million kilograms of floating trash
The first wave of a lionfish invasion has struck in the Mediterranean Sea, a region where these fish had not been established before
Surprisingly, 37 percent already comes from noncarbon power plants, mostly nuclear and hydro
A changing climate will put New Yorkers at risk of overheating, according to a new study
How many active volcanoes does the U.S. have? Where is sea level rising the fastest? These 10 questions test your risk savvy
Some time in the late 1940s, a very patient, elderly beaver called Geronimo was put in a box, flown to an altitude of between 150 and 200 metres, and tossed out the side of an aeroplane.
A costume helps conservation biologist Joel Bergen study how polar bears might affect musk oxen in the Arctic.