Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

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

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

Stargazers will be treated to a rare alignment of seven planets on 28 February when Mercury joins six other planets that are already ...

Ever since NASA’s James Webb Space Telescope was launched, it’s been revealing more about the universe than even most ...

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

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

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 ...

"The rate at which the planet is evaporating is utterly cataclysmic, and we are incredibly lucky to be witnessing the final hours of this dying planet." ...

BAE Systems built both the spacecraft bus and telescope for the observatory, in addition to leading spacecraft integration ...