CRISTAL, an ALMA Large Program, observed 39 typical star-forming galaxies selected to represent the main population of galaxies in the early universe.

A groundbreaking study using the Hubble Space Telescope has revealed a truly astonishing discovery about our universe: it may contain trillions of galaxies, far more than previously estimated. For ...

Galaxies, the grand entities of the universe, have fascinating and dynamic lives of their own. They form, evolve, and occasionally merge, creating stunning visual spectacles. Our very own galaxy ...

A near-infrared image from NASA’s James Webb Space Telescope shows a region known as the JADES Deep Field. Tens of thousands of galaxies are visible in this tiny patch of sky, including Little ...

New observations of the Bullet Cluster by the James Webb Space Telescope help map its dark matter and reveal its complex history.

In a Q&A, astrophysicist Chiara Mingarelli explains how black hole mergers and quasars are helping lay the groundwork for detecting a network of gravitational waves.

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

Earth and the entire Milky Way galaxy might be sitting inside an enormous, mysterious void—a giant cosmic hole making our universe expand faster right here than anywhere else. This unusual idea ...

Metro Denver should see typical conditions for early July with temperatures in the low to mid-90s throughout the weekend, a slight breeze and a small chance of afternoon showers.

Some experts say staff shortages might have complicated forecasters’ ability to coordinate responses with local emergency management officials.

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it about galaxies far, far away.

Chile's ALMA observatory, which houses some of the world's most powerful telescopes, has captured its most detailed images to date of the building blocks of the early universe -- primarily cold ...