Two spiral galaxies are smooshing into each other in this image taken by the El Sauce Observatory in Chile. The galaxies will likely continue this interaction for tens of millions of years.
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.
A new type of object found in the early universe has puzzled astronomers for years, but they may finally have some answers.
Sorry, it's not aliens.
The haunting beauty of the universe is on full display in this year's astrophotography competition.
Elias 2-24 b challenges even our best models of planet formation.
Leave the astronomers alone.
