Milky Way

The interstellar comet 3I/ATLAS does not come from our corner of the Milky Way, and may be a time capsule of the early galaxy, new research into its trajectory hints.

A giant 'wave' is rippling through the Milky Way, pushing thousands of stars across the galaxy, and scientists don't know what triggered it.

A new study shows survivor stars can live billions of years longer than normal, carrying chemical fingerprints of their violent encounters with the Milky Way's black hole.

Researchers have detected a gamma-ray burst outside of the Milky Way that's unlike any previously observed. There's no satisfying explanation for the mysterious cosmic explosion, but it may be linked to elusive intermediate-mass black holes.

Saturday's new moon is a seasonal "black moon" — a rare phenomenon that occurs once every 33 months. Here's what that means and why it's a great night for stargazing.

Astronomers have discovered a 200-light-year-wide Giant Molecular Cloud dubbed the Midpoint cloud that seems to be feeding star-building material to the heart of the Milky Way.

Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold hydrogen, new research reveals. They could help scientists figure out when our galaxy's black hole last erupted.

Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

Astronomers claim to have found new evidence supporting a controversial observation that our galaxy is residing in an unusually sparse region in space. If it's correct, it could rewrite cosmology.

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is only the third to be found on the outskirts of our galaxy's dense central bulge.