Thomas Mulligan explains why blue supergiant stars live fast and die in spectacular cosmic explosions. Donald Trump's approval rating fades after "big, beautiful bill" Why aren’t Italians as obese as ...

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

The star — now supernova — is located in the NGC 5731 galaxy about 120 million light-years away from Earth, and was 10 times more massive than the sun, the release said.

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.

One popular red supergiant star is Betelgeuse, which has captured interest due to its irregular dimming.While it was predicted that Betelgeuse may go supernova, it’s still around.

Astronomers have captured the death of a red supergiant star for the first time. The real-time discovery was published Jan. 6 in Astrophysical Journal and led by researchers at Northwestern ...

Scientists thought it could fit 700 suns. It's actually bigger. Astronomers have revealed the gigantic atmosphere of the red supergiant star Antares in stunning, unprecedented detail. Using the ...

A new class of stars called “fast yellow pulsating supergiants” has been identified by astronomers in the US and Switzerland. The discovery could solve the “red supergiant problem” of astrophysics, ...

One of the universe’s strangest stars is thought to form when a neutron star gets sucked into a red supergiant. But despite 45 years of searching, astronomers still aren’t sure if they’ve ...

The massive star, known as a red supergiant, is between 520 and 650 light-years from Earth.