News

Tech

This device harnesses the cold night sky to generate electricity in the dark

A new thermoelectric generator uses the temperature difference between Earth and outer space to create electricity after the sun goes down.

Astronomy

This may be the first known exoplanet with rain and clouds of water droplets

For the first time, astronomers have detected water vapor and possibly signs of clouds and even rain in the air of a potentially habitable exoplanet.

Astronomy

Giant radio bubbles spew from near the Milky Way’s central black hole

New structures found at the heart of our galaxy join other bubbles, chimneys and filaments that hint at a turbulent past.