Artist's concept of early disk galaxy

Galaxies

Rotating Disk in Early Universe Explains Galaxy Formation

The discovery of a stably rotating disk galaxy in the early universe is the best indicator yet for how galaxies like the Milky Way formed.

super spiral and normal galaxies

Galaxies

Super Spiral Galaxies

Astronomers have identified 53 “super spirals” — spiral galaxies that are huge and incredibly luminous — as part of a project exploring archived observations.

massive galaxy evolution

Galaxies

Ancient Galaxies Seen Dying Inside-Out

Astronomers have found massive galaxies 3 billion years after the Big Bang that are dying from the inside out.

compact star-forming galaxy

Galaxies

Building Big Elliptical Galaxies’ Cores

Astronomers are tracking down the seeds that likely grew to become today’s most massive elliptical galaxies.