Antares, the brightest star in the constellation Scorpio, is a red supergiant about 550 light ... “Imagine that their atmospheres are a painting made out of many dots of different colors ...

Sparkling near the heart of the constellation Scorpius lies ruby-red Antares, the 15th-brightest star in the night sky. Like its bloated cousin Betelgeuse, Antares is a red supergiant nearing the ...

The red supergiant star is about 2,000 times larger than the sun. Astronomers have taken a close-up photo of a star outside our own galaxy, the Milky Way, for the first time, the European Southern ...

Red supergiants are supergiant stars of spectral type K-M and a luminosity class of I. They are the largest stars in the universe in terms of physical size, although they are not the most massive.

Astronomers are still making new discoveries about the red supergiant star Betelgeuse, which experienced a mysterious "dimming" a few years ago. That dimming was eventually attributed to a cold ...