The possible planet is just four-and-a-half light years away and may have moons that sustain life.
New signs found of giant gas planet in 'Earth's neighbourhood'
37 minutes ago Share Save Georgina Rannard Science correspondent Share Save
NASA, ESA, CSA, STScI, R. Hurt (Caltech/IPAC) An artist's drawing of what the new planet might look like. Our S... [1741 chars]