A red supergiant star cataloged as Westerlund 1-26, or W26, sits inside a young stellar cluster roughly 12,000 light-years from Earth, and its sheer physical size defies easy comparison. With a radius ...

The field around yellow hypergiant star HR 5171 (Credit: ESO/Digitized Sky Survey 2) ESO’s Very Large Telescope Interferometer has revealed the largest yellow star — and one of the ten largest stars ...

Astronomers have spotted the largest yellow star ever observed in our galaxy and 1,300 times larger than the sun. The yellow hypergiant star HR 5171 A is also in the top-10 of the largest stars known ...