A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

This process won't be complete for many millions of years — until then, Queen Berenice II will have to suffer the knots in ...

A story of survival is unfolding at the outer reaches of our galaxy, and NASA's Hubble Space Telescope is witnessing the saga ...

Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space ...

The National Institute for Astrophysics (INAF) has released images of five galaxies in the local universe, taken with the ...

Hubble observes Galactic Encounter: NASA’s Hubble Space Telescope has recently captured the effects of a near-collision ...

This spiral galaxy IC 2163 by NASA’s Hubble Space Telescope’s ultraviolet- and visible-light view appears white at the center ...

The Hubble Space Telescope captured an amazing view of spiral galaxy NGC 6956. The galaxy is located "214 million light-years ...

Since the discovery of the acceleration, theorists have calculated that the universe will continue to expand faster and ...

The LMC is a dwarf galaxy, relatively close to the Earth (in galactic terms) at around 160,000 light years away. That may ...

Astronomers have used a range of telescopes, including Hubble, to watch as particles dance around a neutron star collision ...