Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

Artificial intelligence has already moved from our phones to our cars and TVs, and now it is quietly slipping into the most mundane appliance in the house: the fridge. Google’s Gemini model is being ...

When black holes collide, the impact radiates into space like the sound of a bell in the form of gravitational waves. But ...