In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely ...

A s the James Webb Space Telescope (JWST) continues to peer into the origins of our universe, it’s delivering a steady stream ...

Astronomers may have finally solved one of the weirdest mysteries of our night sky: why Betelgeuse, a massive star in the ...

Betelgeuse is one of the brightest stars in the night sky and a familiar landmark in the constellation Orion. It has also ...

The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, ...

Astronomers have confirmed that Betelgeuse has a close companion star, identified through a repeating wake of gas in its atmosphere, offering new insight into how massive stars change and lose materia ...

It will be a spectacular event, but calculating when it will happen is a tricky business. Every now and then, in recent ...

For decades, astronomers have tracked changes in its brightness and surface features in hopes of figuring out why the star ...

People sometimes ask what would happen if the Sun suddenly exploded, often after seeing a dramatic film or picture online. It ...

This study could transform our understanding of the future of the universe and raise the possibility that the universe may ...

A new study led by Harvard & Smithsonian’s Center for Astrophysics has uncovered direct evidence of a long-suspected ...