lightyears

‘It’s name is HD 20794 d’: A promising super-Earth is just 20 light-years from us
'Earth's twin found': Astronomers uncover a potential habitable world just 20 light-years away
Potentially Habitable “Super-Earth” Discovered Just 20 Light-Years Away
'2 billion light-years away': Mysterious signals traced to a galaxy’s ancient edge
Supersonic winds rage on planet over 500 light-years from Earth
‘Cosmic conveyor belt’: Your body’s carbon spent 400,000 light-years in space
'55 million light-years away': Astronomers were watching a black hole then suddenly…
'55 million light-years away': James Webb uncovers a cosmic question mark in space