There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to ...

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

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

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 ...

The sky had turned overcast by the time we reached camp. Heritage Inspirations founder Angelisa Murray hurried us into a ...

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

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

The mighty James Webb and Hubble space telescopes united to reveal stars being born inside the Small Magellanic Cloud, which ...

A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...