Signals from K2-18b: Are We Hearing from Another Earthlike World?
For centuries, humanity has wondered if we are alone in the universe. With modern telescopes and space missions, that question is slowly moving from speculation into science. Recently, the exoplanet K2-18b, located 124 light-years away in the constellation Leo, has taken center stage. Scientists have received tantalizing atmospheric signals suggesting this world could host liquid […]