Astronomers used gravitational lensing to detect a supernova 10 billion light-years away, providing spatially separated images that help study cosmic expansion and early Universe events.

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

Several telescopes used to observe the supernova SN Zwicky which was magnified nearly 25 times by a foreground galaxy acting ...

It will be a spectacular event, but calculating when it will happen is a tricky business. Every now and then, in recent observations, Betelgeuse has grown dimmer or brightened, prompting speculation ...

What makes the star remarkable is its location. Siwarha appears to orbit so close that it never leaves Betelgeuse’s ...

Researchers found evidence that a companion star may be influencing Betelgeuse, explaining why the star’s brightness changes ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

"We're going to do it in three years, and we're going to do it for a ridiculously low price," Pete Klupar, executive director ...

Long before humans walked the Earth, your solar system had a brush with two blazing blue stars that passed surprisingly close ...

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

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 ...

KEY OBSERVATIONS Light from a dead star exploded ten billion years ago, yet it reached Earth not once, but several times, ...