Astronomers led by the Center for Astrophysics | Harvard & Smithsonian (CfA) have made the first direct detection of ...

At that speed, it would take Voyager 1 about 500 million years to reach the center of the Milky Way. Based on those numbers, the likelihood of human beings ever engaging in interstellar travel is ...

The Whirlpool Galaxy sprawls across the cosmos in this striking new snapshot from NASA's James Webb Space Telescope (JWST).

The discovery was made after scientists examined 20 metal-poor stars located on the Milky Way's galactic plane.

The Milky Way's galactic bulge, the bulbous region that surrounds the galactic center, contains a dense collection of stars, planets, and other free-floating objects. This region has been studied for ...

Unlike active galactic nuclei (AGN) that emit lethal levels of X-ray radiation, the centers of the Milky Way and these little ...

Our galaxy, the Milky Way, is of a respectable size. It got this big over its 13 billion years of life by also absorbing ...

This artist's concept shows an isolated neutron star as an ultra-dense stellar remnant, packing more mass than the Sun into a ...

Galaxies can end up not rotating, but this is unexpected so early in the universe.

The galaxy’s most common stars rarely host sub-Neptune planets, revealing a new pattern in how close-in worlds form.