"Precision in these measurements is critical, as even subtle discrepancies could signal deviations from the model — ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

A radical new theory begins with a central claim: consciousness is the fundamental field of reality; time, space, and matter ...

Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed answers aren't straightforward.

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 ...

The universe — everything in existence — is expanding every second! It's only been about a hundred years that humanity has known this, too — that most galaxies are traveling away from us and the ...

New results from the NASA/ESA Hubble Space Telescope suggest the formation of the first stars and galaxies in the early universe took place sooner than previously thought. A European team of ...

"Although there have been multiple efforts to understand the nature of dark energy, its composition, and its manifestation in the universe," one expert says, "we know embarrassingly little about it." ...

Update: NASA is now targeting a launch for Friday, March 7. Find the latest information on the mission here. How did the universe begin? How do planets form and galaxies develop? Could life exist ...

Editor’s Note (3/10/25): After a week of delays, NASA is hoping to launch SPHEREx and PUNCH on March 10 at 11:10 P.M. EDT, officials wrote in a statement. NASA is ready to launch a space telescope to ...

New research has unveiled images of the universe in its infancy—a mere 388,000 after the Big Bang. The snaps of the universe were produced by the Atacama Cosmology Telescope collaboration (ACT), which ...