Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

Space exploration also helps us understand the building blocks of the universe by studying cosmic phenomena like black holes, ...

Leo P, a galaxy once dormant, has reawakened to form stars again, offering new clues about the universe's earliest galaxies.

The University of Arizona will contribute to a NASA space mission to study the atmospheres of planets outside of our solar ...

The Phantom Galaxy (M74) has been imaged in infrared and optical light using the James Webb Space Telescope and Hubble Space ...

NASA's James Webb Space Telescope has captured the infrared glow of an ancient supernova's light echo, revealing ...

Ashley Zelinskie's VR artwork Twin Quasar was inspired by the iconic deep-space image from the James Webb Space Telescope ...

Discover the stunning 2500-megapixel photomosaic of Andromeda, created from 600 Hubble photos, showcasing the telescope's ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in observations..

For years, astronomers and astrochemists have puzzled over two big mysteries in space. First, they noticed that dense clouds ...

"We think every dense, dusty region that we see, and most of the ones we don't see, look like this on the inside — we just ...