Scientists search for "decaying" dark matter (DDM) because it offers unique signatures like specific X-ray or gamma-ray lines ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

New NASA images from Hubble and James Webb reveal the penguin-shaped Arp 142 galaxy pair, showing how gravity distorts ...

Astronomers have made a truly mind-boggling discovery using the James Webb Space Telescope (JWST): a runaway black hole 10 ...

The next-gen Nancy Grace Roman Space Telescope is slated to explore vast cosmic voids to uncover the hidden forces shaping ...

New NASA-backed research using the Chandra X-ray Observatory suggests many small galaxies may lack supermassive black holes, ...

Space is packed with all sorts of weird and unexpected stuff, but this humongous, spinning string-thing raises a whole new ...

The discovery of a hidden supermassive black hole inside an ancient galaxy suggests that some of our universe's most extreme objects could be invisible unless observed in infrared wavelengths, James ...

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

NASA’s Roman Space Telescope will study thousands of cosmic voids, mapping galaxy distributions to investigate dark matter, dark energy and the universe’s large-scale structure through precise ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...