Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

A new University of Kansas survey of distant galaxies using the James Webb Space Telescope reveals never-before-seen star ...

In its quest to chart the evolution of the universe, ESA’s space telescope has already amassed a massive catalog of galaxies and gravitational lenses.

NASA's Nancy Grace Roman Space Telescope team shared Thursday the designs for the three core surveys the mission will conduct ...

Astronomers have confirmed a wandering black hole, about seven times the mass of the Sun, 5,000 light-years from Earth.

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of ...

An astonishing discovery from the James Webb Space Telescope may rewrite our understanding of the Universe’s early years. A ...

NASA celebrates Hubble's 35th anniversary with four stunning new images, showcasing cosmic beauty from a glowing nebula and a bar-filled galaxy to a star-forming cloud and frosty Mars. Narrated by Dr.

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

In celebration of the Hubble Space Telescope’s 35 years in Earth orbit, an assortment of images that were recently taken by Hubble has been released by Nasa and the European Space Agency.

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...