A large hill juts out in front of an emerald tapestry of the Northern Lights. Below, a waterfall drops into a dark pool.
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.
NASA's Hubble Space Telescope found definitive evidence of a dwarf galaxy merging with the Milky Way just 2 billion years after the Big Bang.
Scientists are increasingly using our solar system as a natural laboratory for studying extreme phenomena.
For the sake of science and exploration, astronauts give up basic comforts—including clean laundry. This "laundry gun" might help.
The findings potentially resolve a long-standing issue with methanol conversion, which has tended to be clunky, inefficient, and environmentally detrimental.
“Our understanding of instabilities—when they grow, how they grow—is important to making fusion work.”
The lights and a waterfall in Iceland. Photo: Jannes Krause 
