Researchers in Germany argue that a modified theory of gravity could explain universal expansion, removing dark energy from ...

One of the world's most sophisticated scientific facilities is turning to ultra-low temperatures to try and unravel hidden ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

The night sky has long sparked wonder and curiosity. Early civilizations studied the stars and tracked celestial events, ...

The Circinus galaxy, a galaxy about 13 million light-years away, contains an active supermassive black hole that continues to ...

A new NASA spacecraft called Pandora is awaiting launch ahead of its journey to study the atmospheres of exoplanets, or ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

Scientists at Fermilab’s MicroBooNE experiment have ruled out the existence of the elusive sterile neutrino, a particle ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

This video explains how scientists estimate the size of the observable universe, what “radius” means in cosmology, and why ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old ...