Science & Astronomy
Two Telescopes Listened to K2-18b, the Disputed 'Sign of Life' Planet, for a Full Orbit. Nothing Called Back.
For at least one full 33-day orbit, the VLA and MeerKAT swept the famous exoplanet across radio frequencies sensitive enough to catch a trillion-watt beacon. A SETI team found no artificial signal - though they are careful about what that silence proves.