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

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

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, ...

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

This five-story-tall waterfall in Antarctica gets its blood-red color from the same reaction that creates rust.

Bees may be best known for buzzing through the air. But they are surprisingly good swimmers, too. The insects can paddle through the water using the bottoms of their wings. And a new study shows that ...

Theropods are a group of dinosaurs. Their name means “beast-footed.” The group includes many extinct species, such as Tyrannosaurus rex and Velociraptor. It also includes modern birds. Theropods first ...