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

NASA’s Hubble Space Telescope has produced the sharpest image ever taken of the Egg Nebula, a structure roughly 1,000 ...

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 ...

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

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

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

These spectacular images of the Cat's Eye Nebula were created using observations from the Hubble and Euclid space telescopes.

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

A subtle gravitational-wave “hum” from merging black holes may help settle the cosmic fight over how fast the universe is ...

The discovery of CDG-2 began when a team of astronomers investigated tight groupings of stars called globular clusters, which ...

Trouble with one of the Hubble Space Telescope's three remaining gyroscopes, critical for aiming and locking onto targets, has prompted mission managers to switch to a backup control mode that will ...