After many previous claims and false alarms, astronomers can finally confirm the existence of at least four planets less ...

Thankfully, our sun's sunspot activity occurs along an ... astronomers have been keeping track of starspot activity on a red giant star called XX Trianguli, and the irregular behaviour of its ...

Astronomers have been looking for exoplanets orbiting Barnard's Star, the nearest solitary star to Earth at just 5.96 ...

Our star will grow larger than we can imagine — so large that it will envelop the inner planets, including Earth. That's when the sun will become a red giant, which will remain for about a ...

TRAPPIST-1 is a red dwarf star about 40.7 light-years away from Earth. It is of particular interest because it has seven ...