Thomas Mulligan explains why blue supergiant stars live fast and die in spectacular cosmic explosions.

A red supergiant star transitions into a type II supernova in this animation. Credit: W. M. Keck Observatory/Adam Makarenko | ...

Many red supergiant monster stars lurk in a Milky Way cluster astronomers have discovered with the Gaia space telescope. The cluster, Barbá 2, could help understand why some stars become black holes.

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...

The star is a red supergiant (like the famous Betelgeuse) and it sits in the Large Magellanic Cloud, a dwarf galaxy that contains some 30 billion stars.

WOH G64 is a red supergiant star 2,000 times larger than our sun, which has led astronomers to call it the “behemoth star.” During the final stages of their lives, ...

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 ...

The star Betelgeuse is a red supergiant that is destined to explode, but astronomers don't know exactly when the famous star will collapse. Here's what researchers do know.

Supergiant Star Blew Its Top in Violent Explosion Betelgeuse also experiences a second kind of heartbeat known as a “long secondary period,” or LSP, which lasts roughly six years (2,170 days ...

The supergiant star Betelgeuse may have a companion star that pushes light-blocking dust out of the way, causing the irregular changes observed in the star's brightness.

The mystery object, located just a short 15,000 light-years from Earth in our Milky Way galaxy, was spotted emitting unusual pulses.

On July 7, skywatchers will see a bright moon near red supergiant star Antares in the southeastern sky after sunset. It's one ...