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.

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 ...

Leaves of the Arizona honeysweet can turn on evaporative cooling to keep the plant up to 13 degrees C (23 degrees F) cooler than the surrounding air.

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

Imagine closing your eyes in a forest at dawn. You cannot see wildlife around you, but you can hear it. Based only on what you hear, what might you learn about the wildlife in this forest? Explain ...