Astronomers from the Czech Republic and Argentina have employed the Gemini South telescope to observe a yellow supergiant ...

Rare blue supergiant stars are some of the hottest ... WOH G64 was incredibly luminous and one of the most extreme examples of a red supergiant, said study coauthor Jacco van Loon, Keele ...

Look up to the southern sky tonight and spot the supergiant star in the constellation Orion. It's big, bright, and orange – and could be about to explode. Betelgeuse is a red giant star that ...