Scientists have revealed a planet dubbed "Earth's next-door neighbour" may be able to support life. Astronomers at the University of California, Irvine, have identified a potentially habitable world orbiting a star just 25 light-years from Earth. The exoplanet, designated GJ 3378b, occupies what scientists call the "Goldilocks zone", which is a region neither too hot nor too cold where liquid water might exist on the surface. Paul Robertson, UC Irvine associate professor of astronomy and lead au