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

Astronomer Francesco D'Eugenio wasn't looking for a murdered galaxy. His team set out to measure the motions of stars in a ...

The Hubble Space Telescope has taken a look at the Large Magellanic Cloud (LMC), a nearby dwarf galaxy, being stripped of its ...

Astronomers have used the James Webb Space Telescope to observe three early ultra-massive galaxies, formed shortly after the ...

Data collected by Hubble has also revealed a live Type I supernova called SN 2017GAX, which can be seen tucked just below the ...

The Hubble Space Telescope has captured a spiral galaxy under the "ram pressure" inside a massive cluster of galaxies.

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...

An international team led by the University of Geneva (UNIGE) has identified three ultra-massive galaxies—nearly as massive ...

This brings us to eROSITA, the Max Planck Institute of Extraterrestrial Physics' powerful space-based X-ray telescope. Led by ...

The standard model for how galaxies formed in the early universe predicted that the James Webb Space Telescope (JWST) would ...

A galaxy cluster bends light from seven background galaxies around it, letting astronomers peer into space and time ...

Astronomers have spotted thousands of young stars huddled around the center of an ancient galaxy, all of which formed nearly ...