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

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.

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

Astronomers have been aware of cosmic vampires, dead stars that hungrily strip plasma from victim stars, for some time. New ...

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 team detected a huge gas giant dwelling in the protoplanetary disk of MP Mus, which had been previously hidden. This represents the first time Gaia has spotted an extrasolar planet or "exoplanet" ...

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

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

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

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

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...