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.
The Jellyfish Nebula, one of the best-studied supernova remnants in our galaxy, may have been hiding a sibling this whole time.
The Lyrid displays will peak later today and continue until April 26.
Astronomers watched as the supergiant WOH G64 reshaped itself into a different type of star.
Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.
The ancient stellar death took place when the universe was a mere 730 million years old.
