Primordial magnetic fields may help explain why measurements of the universe’s expansion do not agree. Scientists have long known that the universe is expanding, yet there is still no agreement on how ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy known as the Hubble tension.

Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...

Astronomers reveal new insight into an iconic supernova remnant's evolution, structure and pulsar-driven growth over 25 years ...

The ESA, NASA and CSA have released new images of Saturn captured by the James Webb and Hubble space telescopes that offer an ...

NASA’s Hubble telescope captured an “extraordinarily” rare moment of a comet exploding into fragments, the space agency said. The comet K1, whose full name is C/2025 K1 (ATLAS), was caught fragmenting ...

A look at Edwin Hubble’s role in confirming that the Andromeda Galaxy lies beyond the Milky Way, helping expand our understanding of the universe. Experts say Canada can't avoid engaging with US as ...

The Hubble Space Telescope captured rare images of a comet as it was breaking apart in November 2025. Credit: NASA / ESA / Dennis Bodewits / Joseph DePasquale For practically as long as NASA's Hubble ...

In a stroke of luck, astronomers saw the comet C/2025 K1 (ATLAS) break into four or five fragments in November after it passed close to the sun. By Robin George Andrews Astronomers on Wednesday ...

Add Yahoo as a preferred source to see more of our stories on Google. The Hubble Space Telescope captured rare images of a comet as it was breaking apart in November 2025. - NASA / ESA / Dennis ...