The Milky Way and the Andromeda Galaxy may already be colliding after it was discovered that galaxies may have gas halos far ...

A new image from the James Webb Space Telescope depicts the "extreme outer galaxy" in unprecedented detail, NASA researchers ...

Galaxies are much bigger than we originally thought, extending far out into deep space — so far that the Milky Way likely interacts with our closest neighbor ...

While Earth is located about 26,000 light-years from what's known as the galactic center, the outer portions of the Milky Way are even further, at about 58,000 light-years from our galaxy's ...

Among the Milky Way’s outskirts is a firecracker show of star formation. How do environmental factors affect the star ...

Astronomers have discovered twin black hole jets that span a distance greater than 140 Milky Way galaxies long, the biggest jets found yet.

A giant elliptical galaxy formed after the merger of the Milky Way and Andromeda, as hypothetically seen from Earth. Credit: NASA These changes in the sky, of course, wouldn't be rapid.

NASA's New Horizons spacecraft has provided groundbreaking data from near the edge of the solar system, revealing the cosmic ...

Late August is a great time to observe the dazzling core of our galaxy, and with the ... people across the Earth could look up and see the Milky Way, provided it was the right time of year ...

Supermassive black holes, with masses more than a million times that of our sun, are among the most fascinating and ...

Dubbed 'Porphyrion' after a mythological Greek giant, this immense structure originated when the universe was just 6.3 ...