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

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 ...

Top prizes went for an icy window into the cosmos, a light switch for the brain and solving the mystery of mirror image ...

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 ...

The wild world is full of roars, whoops and songs. Scientists are using such sounds to guide efforts to help save species at ...

Slowing protein production to just a trickle might help Spider-Man control the level of his superpowers, Lieberman says. He ...

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

Researchers recently learned that bees can swim. New findings show that bees paddle toward shade and dark to reach shore.

Early theropod species appear to have been mostly carnivorous. Over time, however, the group evolved into a diverse range of ...