"Unlike any objects we know, these filaments really surprised us. Since then, we have been pondering what they are." ...

Deep observations from the James Webb Space Telescope (JWST) have revealed an exceptionally large galaxy in the early ...

According to the new DESI numbers, dark energy may be changing over time—either causing the universe’s expansion to ...

University of Arizona researchers are among a group of scientists who hope to discover what happened immediately after the Big Bang, when the universe expanded in a fraction of a ...

Astronomers have made a surprising discovery that challenges current theories of galaxy formation. A colossal disk-shaped ...

The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...

ACT’s final data set delivers the most precise view of the early universe, mapping cosmic expansion and primordial gas ...

For Marcela Carena, her life’s work started as a little girl on the Pampas of Argentina, looking up at the Milky Way.. Her ...

It's well known that the universe began in an explosion known as the Big Bang, but scientists now say that it might end with ...

The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

Last year, an enormous map of the cosmos hinted that the engine driving cosmic expansion might be sputtering. Now physicists ...