"We know the Milky Way has some 60 confirmed companion satellite galaxies, but we think there should be dozens more of these ...

See the SpaceX Dragon spacecraft and the Milky Way galaxy in this time-lapse view from the International Space Station.

"Once you do, it's just spectacular," said Aileen O'Donoghue, astronomer with St. Lawrence University and the Adirondack Sky ...

SCIENTISTS have discovered the biggest black hole merger ever recorded, as two massive spacetime ripples spiral into each ...

The community of St. Martins, N.B., is reaching for the sky, literally, as it works to complete a corridor with the world’s highest concentration of dark sky sites.

Researchers stitched together hundreds of images from the Very Large Telescope to form a breathtaking photo of a nearby galaxy.

The center of our galaxy is visible overnight on summer evenings, just off the tip of the Sagittarius Teapot’s spout in the ...

NGC 1786’s mixed-age stars suggest globular clusters aren’t one-generation wonders, offering fresh clues to galaxy formation far beyond the Milky Way.

Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

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

The event is the most massive black hole merger ever recorded by gravitational wave detectors and has forced physicists to ...

A new galaxy was found with 10,000 more of unseen mass than the Milky Way. Now, scientists are wondering if there are more of ...