The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

In the turbulent heart of the Milky Way, near the supermassive black hole Sagittarius A*, astronomers have uncovered a ...

The James Webb Telescope has discovered a gigantic galaxy in the early universe, probably from 12 billion years ago.

Last year, an enormous map of the cosmos hinted that the engine driving cosmic expansion might be sputtering. Now physicists ...

Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

Galaxies like the Milky Way boast more than spirals; they also have feathers, where clumps of new stars are born. Astronomers ...

Swirling through the Milky Way's central zone, in the turbulent region surrounding the supermassive black hole at the core of ...

CU Boulder researchers found massive, dust-filled galaxies called UFOs using JWST, challenging previous galaxy formation ...

Astronomers have made an exciting discovery—a massive spiral disk galaxy, much larger than expected, in the early universe.

A new data release from the Dark Energy Spectroscopic Instrument is now available for researchers to explore. The collection ...

New research by the Atacama Cosmology Telescope, or ACT, collaboration has produced the clearest images yet of the universe’s ...

A strange energy source at the center of the Milky Way may be a new type of dark matter. Scientists found that hydrogen gas ...