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

In a happy twist of fate, NASA's Hubble Space Telescope witnessed a comet in the act of breaking apart. The chance of that ...

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.

NASA and ESA have released new images from the Hubble Space Telescope of a comet breaking up as it exits the solar system, captured as part of study recently published in the journal Icarus. The ...

The universe is overrun with dark matter, outweighing the ordinary stuff that stars and planets are made of five-to-one. But ...

For this month's ESA/Hubble Picture of the Month, NASA/ESA's Hubble Space Telescope is joined by ESA's Euclid to create a new view of the most visually intricate remnants of a dying star: the Cat's ...

Using gravitational waves as a measure of the universe's rate of expansion could solve the biggest headache in physics, the ...

Astronomers have released a new view of the Cat’s Eye Nebula using Hubble and Euclid telescopes, revealing complex gas shells ...

Astronomers are exploring a new way to measure the universe’s expansion rate using the gravitational-wave background detected by pulsar timing arrays.

Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding galaxies.

A major recent development has painted a clearer picture of the universe as NASA has began checking Hubble's images after ...