A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

Visual observers and astrophotographers alike can find something amazing to observe along the plane of our galaxy.

Watch the mesmerizing Tarantula Nebula video captured by the Hubble telescope, showcasing the most productive star-forming region nearby, with insights into cosmic dust and star formation.

Centaurus A: NGC 5128 is a galaxy in constellation Centaurus, discovered in 1826 by Scottish astronomer James Dunlop. Messier ...

This image of the Crab Nebula (also known as Messier 1) in the constellation of Taurus is an overlay of one of the first-light images taken by the CONCERTO instrument on the APEX telescope. The Crab ...

A century ago, Edwin Hubble first established that this so-called 'spiral nebula' was actually very far outside our own Milky Way galaxy -- at a distance of approximately 2.5 million light-years ...

Set against a backdrop littered with tiny pinpricks of light glint a few, brighter stars, this is NGC 1858, a 10-million-year ...

NASA’s James Webb Space Telescope has captured stunning new details of the Cartwheel Galaxy, uncovering insights into star formation and its central black hole. This vibrant portrait of our Milky Way ...

NASA's Hubble Space Telescope spotted a cosmic Bullseye galaxy, revealing evidence of a rare kind of galactic collision.

Some were gaseous, star-forming regions, such as the Orion nebula ... were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was ...