Does the Earth’s crust hold an energy source that could supply humanity’s needs for the next 170,000 years? Ian King says ...

Heat has always been something we thought we understood. From baking bread to running engines, the idea seemed simple: heat ...

A hundred years before the Event Horizon Telescope Collaboration released the first image of a black hole in 2019—located at the heart of the galaxy M87—astronomer Heber Curtis had already discovered ...

Long-range Ukrainian drones and missiles hit a major Russian ammunition plant, a key oil terminal and an important weapons depot behind the front line, Ukraine’s ...

In a bid to cater to casual fans, chess tournaments are introducing innovations in rules and gimmicks, and the players are ...