Three species picked their favorite human targets based on skin odor and bacteria. The findings could help design better ...

Kathryn Hulick is a freelance science journalist and author. Her book Welcome to the Future: Robot Friends, Fusion Energy, Pet Dinosaurs and More explores how technology could change the world in the ...

To cut their wastes to nearly zero, circular cities are launching projects to repair, reuse and recycle virtually everything.

Dark matter isn’t the universe’s only “missing” matter. Distant bursts of radio waves have now turned up vast, faint gas ...

Some hydrogels are made of natural polymers. Jell-O is a good example. It contains a natural polymer called gelatin. Other ...

When water droplets take on an electric charge, rain can become corrosive and start to eat through bridges, cars and more, ...

Iron-rich water, not blood, gives this Antarctic waterfall its rusty red color Blood Falls is a five-story waterfall that flows out of Taylor Glacier in Antarctica. The water comes from a salty lake ...

California’s Death Valley is one of the driest, hottest and harshest places on Earth. In summer, thermometers there often climb above 49° Celsius (120.2° Fahrenheit). Such extreme heat can make it ...