For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

Physicist Sean Carroll explains how physics, astronomy, philosophy, and classics all help us understand the expanding ...

Astronomers utilizing NASA’s James Webb Space Telescope (JWST) have uncovered a new class of galaxies that defy traditional cosmic categorization. This unexpected discovery, highlighted in a recent ...

New radio observations of molecular gas reveal how dozens of galaxies could have rapidly merged together in the early ...

Deep inside a nearby galaxy cloaked in thick clouds of gas and dust, astronomers have uncovered a surprising treasure trove ...

The standard cosmological model (present-day version of "Big Bang," called Lambda-CDM) gives an age of the universe close to 13.8 billion years and much younger when we explore the universe at ...

The James Webb Space Telescope has revolutionized astronomy in just two years of operations, but how can it see a galaxy 33.8 billion light-years away in a universe that is only 13.8 billion years old ...

While nearly all massive galaxies possess central black holes, the presence of such black holes in dwarf galaxies remains an open question, with previous estimates identifying them in only 0.5% of ...

Astronomers from the University of Tokyo in Japan and elsewhere have employed the James Webb Space Telescope (JWST) to ...