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

The scientists realized that these supernovae weren’t as nearby as they had thought, so they had zipped away from Earth quicker than expected. “These observations led scientists to ultimately conclude ...

For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

Some discoveries emerge softly, with no explosions or satisfying conclusions. Astronomers were watching a distant flare from ...

At about 950 times bigger than our Sun, Betelgeuse is one of the biggest stars in our Universe. But that comes with a price. Just like us, stars have a life expectancy, and Betelgeuse is no different.

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 ...

Using NASA's James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A, one ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

An international research project has been awarded £215,100 to explore some of the rarest and most unstable forms of matter ...

Decades in the making, NASA's X-ray timelapse shows a stellar explosion expanding into space at up to 2% the speed of light.

The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.