Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

Travel 60 million light-years away into the constellation Virgo to catch a glimpse of interacting galaxies NGC 4568 and NGC ...

Prior to that 1915 discovery, scientists believed that all the stars in the night sky belonged to a single galaxy, and they had no concept of the scale of the wider universe. But in the century ...

Its cosmic corsage tells a story of death and rebirth. Within a few million years — a blink of an eye in the universe’s life — the gas and dust will either become budding young stars and planetary ...

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

Credit: NASA / ESA / CSA / Kristen McQuinn Most small galaxies that stopped making new stars in the early universe never resumed operations. Something caused their celestial factories to shutter.

100 years ago, Hubble revealed a universe of galaxies that existed ... telescopes were not powerful enough to resolve individual stars in other galaxies, so spiral galaxies appeared more like ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...