Thermoelectric generators probably won’t eliminate the charger for your Apple Watch, but for smaller, screenless wearables, the heat constantly escaping from your skin could fundamentally change how we power our devices.
Because fuel inefficiency and smog are Americans' most popular issues right now.
A planetary "health check" shows that many of Earth's critical systems have entered dangerous territory.
Researchers have released an initial assessment of the emissions data MethaneSat gathered before it suddenly went dark. The findings are damning.
The world’s tallest peak has a serious trash problem. Officials hope a revised cleanup plan could finally make a difference.
Researchers suggest a sea change in satellite design to protect the ozone layer.