A massive young galaxy cluster has been found glowing with super-hot gas billions of years earlier than expected, defying current theories.

The discovery of an extremely metal-poor galaxy, observed thanks to the James Webb Space Telescope, opens a fissure in the ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic observations using Keck Observatory’s Low Resolution Imaging Spectrometer, ...

Scientists uncover the universe’s most massive object, glowing yellow, blue, and pink at 100 million °C, while a true inferno ...

Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy clusters and superclusters containing an astonishing 200 quadrillion solar ...

Astronomers have identified what they describe as "something the universe wasn't supposed to have" in a find that may rewrite ...

With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

The European Space Agency's Hera spacecraft launched to study the binary asteroid Didymos, following the DART mission's impact on its moonlet Dimorphos, to gather data on asteroid deflection ...

PASADENA, Calif. -- In a discovery that offers a rare glimpse back to when the universe was just 750 million years old, a team of astrophysicists said Sunday they have detected a tiny galaxy that is ...

They're tiny, invisible, and travel across the universe. And trillions of them just flew through your body. What are they? Neutrinos ‒ and scientists Wednesday announced the discovery of the most ...

For the three astrophysicists who won the Nobel Prize in physics today (Oct. 4), it was only a matter of when, not if, they would get the prize, their peers said. Their discovery that the universe's ...