On Oct. 13, 1773, a French astronomer named Charles Messier discovered the "whirlpool galaxy," also known as Messier 51, or ...

When galaxies collide, it's not a gentle affair, but it does take millions of years. Over this time, the two massive star ...

The supermassive black hole at the center of the Circinus galaxy is being fed with gaseous material by two spiral arms, ...

Elliptical galaxies instead tend to be older, more massive, and with stars distributed not in a nice little disk, but in a ...

The Hubble Space Telescope reveals how color filters tease out the life cycles of stars in spiral galaxy NGC 6000 — while a ...

Study suggests comet 3I/ATLAS may originate from the Milky Way’s thick disk, shedding light on the galaxy’s hidden frontier.

Humans are finally building the technology that could tell us where to look, when to look, and what signs to watch for. What ...

The James Webb Space Telescope's s MIRI and NIRCam instruments have captured an amazing view of spiral galaxy NGC 2090. The ...

According to theory, massive red supergiant stars should cause most supernovae, yet they are rarely observed. New James Webb ...

The most detailed glimpse yet of a doomed star hidden in dust before it exploded has been captured by astronomers. Using NASA ...