Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

While the events observed around Sgr A* are dramatic, this black hole is not as active as some at the center of other ...

Astronomers spent a decade compiling this special image with the Hubble Space Telescope and then stitched together 600 photos ...

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and NASA scientists have produced the most comprehensive survey of the Andromeda ...

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

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

There’s really no reason you can’t use binoculars to look into space – and in fact astronomers have been working on doing so ...

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...