A constellation is a group of stars that forms a recognizable pattern in the night sky, one we've given a name, usually after a mythological figure, animal, or object. There are 88 of them officially recognized, and together they map out the entire sky....
At 12:30 p.m. UTC on March 21, 2026, a Chinese space telescope called the Einstein Probe caught a flicker of X-rays lasting barely 432 seconds, just over seven minutes, from a galaxy 500 million light-years away. Within an hour, telescopes around the world were...
Almost everyone has looked up at some point and wondered why the Moon keeps changing shape. One night it's a fat glowing circle. A week later it's a thin silver curve that looks like it was drawn with a single brushstroke. Then it disappears...
Most constellations take a generous imagination to see. Someone tells you a random scattering of stars is a water bearer or a sea goat, and you nod politely while seeing nothing of the sort. Leo is different. Leo actually looks like a lion. With...