It all started with a Big Bang – and now scientists are on a quest to unravel the mystery behind the birth of the universe.

Astronomers have discovered two galaxies that are perfectly aligned, allowing their combined gravitational pull to act as a ...

In the earliest moments of the Universe, the first photons were trapped in a sea of ionized gas. They scattered randomly with ...

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

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

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

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

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

NASA selects two proposals for missions to observe X-ray and far-infrared wavelengths of light from space for additional ...

While the Hubble Space Telescope orbits Earth, the JWST orbits the sun with ... The mass of the JWST apparatus weighs 2,400 ...

The Roman Telescope is being built at NASA's Goddard Space Flight Center, where the coronagraph recently arrived after being ...