The FLAMINGO super simulation maps the universe from its earliest moments but finds galaxies cluster less than cosmological models predict, deepening a long-standing puzzle.

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

Distance records are an excellent proxy for the state of the art in astronomy. Finding extremely faraway galaxies is hard. In ...

How can any telescope see a galaxy 33.8 billion light-years away in a universe that is only 13.8 billion years old? When you purchase through links on our site, we may earn an affiliate commission.

Scientists have identified a strange cosmic relic called Cloud-9 — a starless, gas-filled object dominated by dark matter.

The history of how stars and galaxies came to be and evolved into the present day remains among the most challenging astrophysical questions to solve yet, but new research brings us closer to ...

A team of Italian astronomers discovered a fossil galaxy estimated to be 3 billion light-years away from Earth, making it the most distant spectacle of its kind outside of the local universe. Dubbed ...

The James Webb Space Telescope spotted a twin of the Milky Way in the depths of the universe. The galaxy formed shortly after the Big Bang, which was thought to be impossible. This could mean there's ...

"We have discovered a galaxy that has been 'perfectly preserved' for billions of years, a true archaeological find that tells us how the first galaxies were born and helps us understand how the ...

Massive collisions between black holes and neutron stars have been happening for most of cosmic history. These events send ...

A stunning photo from the International Space Station connects Earth's aurora and city lights with the distant Andromeda ...

Einstein predicted the existence of gravitationally-warped rings of light in 1915. Now, a new one has been discovered just a cosmic stone's throw from our own planet. When you purchase through links ...