Space

An astronaut stand-in spent two weeks sealed inside the Space Analog for the Moon and Mars at Biosphere 2, sharing his breath with 144 pea plants to test how humans and vegetation could sustain each other in space.

New analyses of the largest impact crater on the moon reveal unexpected insights into its tumultuous past. They also suggest that once astronauts return to the moon, they will have access to a veritable gold mine of scientific clues.

University of Arizona telescopes helped capture dramatic changes in a supermassive black hole's environment over the course of four years.

Using a cutting-edge optics system developed at the University of Arizona, researchers have gotten a glimpse of what our solar system likely looked like during its infancy.

Three new papers reveal yet more secrets from samples collected by the University of Arizona-led OSIRIS-REx mission from asteroid Bennu.

New observations that U of A astronomers helped make with the James Webb Space Telescope solidify previous hints of a giant planet orbiting the sun's closest neighbor.

The first images from the Vera C. Rubin Observatory mark a proud milestone for the University of Arizona, whose Richard F. Caris Mirror Lab is the only facility in the world capable of crafting the telescope's unique mirror.

Built with mirrors manufactured by the University of Arizona, one of the world's largest optical telescopes clears key milestone toward U.S. federal construction support.

The U of A earned its best ranking in the space science category, rising four spots to No. 4 globally and No. 2 among U.S. public universities.

New observations of 30 planet-forming disks – the birthplaces of planets around stars – reveal in greater detail than ever how gas and dust behave over time and shape the evolution of exoplanet systems.