Scientists using observations from NASA's Neil Gehrels Swift Observatory have discovered, for the first time, the signal from a pair of monster black holes disrupting a cloud of gas in the center of a ...

Scientists using observations from NASA's Neil Gehrels Swift Observatory have discovered, for the first time, the signal from ...

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

A recently shared image of a distant galaxy surrounded by three concentric rings challenges our understanding of galactic ...

The Hubble Space Telescope has captured two tangled galaxies, whose interactions have caused knots to form in the ...

Li and colleagues think it is most likely a “backsplash galaxy,”, one that passed through a group and had most of its gas ...

This NASA/ESA Hubble Space Telescope image features NGC 1672, a barred spiral galaxy located 49 million light-years from ...

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 ...

Red hydrogen gas bubbles, energized by radiation from newly formed stars, add to the galaxy’s visual splendor. Near the ...

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

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

An international team that includes the University of Bath in the UK has discovered three ultra-massive galaxies (‘Red ...