Observations of a distant red dwarf star indicate that it is surrounded by not one but two massive rings of gas and dust, with tantalizing hints that it is orbited by a Saturn-size planet. The red ...

Astronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the sun ...