The Rubin Observatory issues rapid alerts for changing celestial objects, enabling global scientists to detect supernovae, asteroids, and variable stars within minutes of observation.

Astronomy and commercial space are often portrayed as being on a collision course, yet their futures are deeply intertwined. As satellite constellations expand, astronomers raise concerns about trails ...

PHOENIX — A billionaire-backed philanthropic organization is funding the development of a series of new observatories, including a space telescope larger than Hubble that its backers say can be built ...

"If they were purely made up of stars, they would be the densest galaxies in the universe." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.