Citizen scientists using the Kilonova Seekers platform spotted a stellar flash 2,500 times brighter than before, allowing astronomers to identify the exploding cataclysmic variable GOTO0650 within ...

Betelgeuse is a superstar among the stars — one of the brightest in the night sky, a massive red supergiant in the constellation Orion that sometimes ...

After decades of hints and speculation, scientists have at last unveiled the hidden companion to the iconic star Betelgeuse ...

NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250th anniversary. Hidden within the ancient ...

The massive globular star cluster Omega Centauri has puzzled astronomers for decades. It should be filled with black holes left behind by exploding stars, yet evidence for them is scarce. Now, ...

Imagine if Star Wars' Tatooine twin suns went supernova. Scientists may have just found that in our universe.

The Swift telescope has been affected by recent solar storms and is sinking faster than ever, heading toward Earth. A NASA mission will try to capture it and boost its orbit. A recovery mission to ...

Using the new Vera C. Rubin Observatory, astronomers are beginning the largest and deepest survey of the sky. What will they ...

Stars and galaxies make up much of the universe's ordinary, observable matter. But for decades, scientists have wrestled with ...

FILE – In this April 25, 1990 photograph provided by NASA, most of the giant Hubble Space Telescope can be seen as it is suspended in space by Discovery’s Remote Manipulator System (RMS) following the ...