Picture this: a social network, populated mainly by AI bros. Sound like the place to hang? We ask because OpenAI has been secretly building its own social media platform which, apparently, is supposed to resemble X, formerly, Twitter, The Verge

Astronomers say they've spotted a possible sign of life in the atmosphere of K2-18b, an exoplanet some 124 light-years away, using NASA's James Webb Space Telescope. As detailed in a new paper published in the journal Astrophysical Journal Letters,