Beneath the frozen crust of Jupiter’s moon Europa lies a vast subsurface ocean that could harbor extraterrestrial life, making it one of the most promising targets in the search beyond Earth. Yet ...

Jupiter’s moon Europa has long looked like a frozen cue ball, its bright shell of ice hiding a global ocean that many astrobiologists see as one of the most promising places for life beyond Earth. New ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory claims, but a comet.