About 100 light-years away, astronomers have found TOI-1452 b — a planet that might be almost entirely covered by a deep, global ocean. No continents. No beaches. No familiar horizons. Just endless water in every direction. And here’s the wild part: scientists think up to 30% of its entire mass could be water. For comparison, water makes up less than 1% of Earth’s mass. That’s not a few deep oceans — that’s a planet built around water. Orbiting a small binary star system in Draco, TOI-1452 b is