Astronomers have used the James Webb Space Telescope to catch an extraordinary glimpse of a massive galaxy taking shape in ...

New observations from the James Webb Space Telescope show that ancient galaxies lived fast and died young because of intense, ...

Five galaxies caught in the act of merging just 800 million years after the Big Bang have forced astronomers to rethink how ...

This NASA Hubble Space Telescope image features a galaxy cluster called CL0016+1609, or MACS J0018.5+1626, that is very ...

Travel 60 million light-years away into the constellation Virgo to catch a glimpse of interacting galaxies NGC 4568 and NGC ...

Astronomers have spotted a pair of galaxies in the act of merging 12.8 billion years ago. The characteristics of these galaxies indicate that the merger will form a monster galaxy, one of the ...

The image is part of a collection of 59 photographs of merging galaxies taken by the Hubble Space Telescope.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Using combined ...

(THE CONVERSATION) Billions of light years away in a remote part of the universe, two neutron stars – the ultradense remnants of dead stars – collided. The catastropic cosmic event sent light and ...

Using the Chandra X-ray Observatory and the Hubble Space Telescope, NASA has captured new insight into a black hole duo found at the center of two colliding galaxies. The two supermassive black holes ...

This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode. ESO/L. Calçada/M. Kornmesser, CC BY Billions of light years away in a remote part of ...