Astronomers have used NASA's James Webb Space Telescope to find strong evidence for a planet orbiting a star in the triple system closest to our own Sun. At just 4 light-years away from Earth, the Alpha Centauri star system has long been a compelling target in the search for worlds beyond our solar system called exoplanets. The system is made up of a close pair of orbiting stars, Alpha Centauri A and Alpha Centauri B, the two closest Sun-like stars to Earth, as well as the faint red dwarf star