Recently, however, astronomers have been keeping track of starspot activity on a red giant star called XX Trianguli, and the irregular behaviour of its starspots suggests its interior may have ...

An artist's impression highlighting the positions of the Big Ring (in blue) and Giant Arc (shown in red) in the sky ... our understanding of the universe. It cannot be seen with the naked eye.

Each of these cosmic marvels adds to our understanding of the universe’s vast wonders. R Aquarii is a binary star system located in the constellation Aquarius. It features a red giant and a ...