Scientists have discovered a galaxy as it was 13 billion years ago, 800 million years after the Big Bang. It contains possible evidence of the universe's first stars and is one of the most chemically ...

When the universe was barely one billion years old, galaxies were already stringing themselves along vast filaments of matter ...

Scientists using the James Webb Space Telescope have observed one of the earliest galaxies ever seen, dating back 13 billion ...

Billions of years ago, a young spiral galaxy began to grow in a crowded part of the universe. It pulled in gas and small ...

Seen just 800 million years after the big bang, an object called LAP1-B is a galactic building block that seems to hold some ...

Using the James Webb Space Telescope, astronomers have mapped the "cosmic web" of galaxies, the largest structure in the ...

Massive star clusters may have blasted enough ultraviolet radiation into space to transform the early universe, new research ...

May’s night skies turn the skywatcher’s gaze away from the dazzling brilliance of the Milky Way and toward grand walls, ...

An international team of astronomers has identified three ultra-massive galaxies—each nearly as massive as the Milky Way—already in place within the first billion years after the Big Bang. The ...

Early galaxies were star-forming machines, furiously gobbling up gas and spitting out stars. A new model helps explain why ...

Scientists studying early galaxies were stunned earlier this year when they discovered six massive galaxies that seem to have died during the universe's most active period of star birth. NASA's Hubble ...

"If galaxies are all moving apart at ever increasing speed, how can they collide?" —J. Gow, Fairfax, Va. Cosmologist Tamara Davis, a research fellow at the University of Queensland in Australia and an ...