There is a region of the sky where astronomers fear to look. Filled with dark clouds of dust, it hides an unseen mass. A mass ...

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

Three ultra-massive galaxies from the early universe, named "red monsters" show star formation happened faster than believed.

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

Scientists test the famous physicist’s predictions by calculating the distortion of time and space. Why is the expansion of ...

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 ...

Two massive galaxies are bending light from the same distant quasar, creating a so-called Einstein zigzag lens that could ...

An international team of astronomers has identified three ultra-massive galaxies—each nearly as massive as the Milky ...

A team of astronomers has identified a double gravitational lens system with an extraordinary “zig-zag” light path, rewriting ...

New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.

Recent observations by the James Webb Space Telescope (JWST) have uncovered a trio of ultra-massive galaxies, each nearly as ...