A wind is blowing away from the supermassive black hole at the center of the Milky Way, according to new evidence. This ...

Here’s an old proverb: “Give a man a fish, and you feed him for a day. Teach a man to fish, and you feed him for a lifetime.” Artificial intelligence is rapidly creating a dangerous third category: ...

Latitude could be found by looking at the Sun and the stars. But longitude was much trickier, and many sailors ended up dead as a result.