When you slow down the recording of a child's giggle, you can almost hear the devil. Terrifying -- and adorable!

The Colorado River powers cities across Arizona. But with temperatures rising, how long will the water hold out?

The states want to require proof of citizenship before voting, which the Supreme Court blocked in Arizona this year

The secret is a girdle, and "ultrasonic welding." Really.

Neuroscientists must be willing to develop imperfect descriptions of how we work

Equal parts scary and inspiring, Kim Stanley Robinson's trilogy about global warming is a riveting how-to plan for averting catastrophe.

History shows that political contests over the ideological slant of the Court are nothing new

The international retailer is at the center of a new food scandal

Everyone experiences trauma, but in some brains, PTSD arises where others aren’t at as much risk

Evolvable hardware -- gadgets that design themselves -- can get the job done, even if humans have no idea how they do it.

The United Nations' food agency is calling for urgent assistance to help clean and clear agricultural land

And it's helping destroy the atmosphere

The company pleaded guilty to the misdemeanor

From the cognitive biotype to TBI affective syndrome, doctors are suggesting new categories of depression

Republican leadership in the state legislature announced that it will hold hearings on the law this fall