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

A monster exoplanet as big as 10 times the size of Jupiter has emerged from the stellar gas and dust surrounding a young star ...

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

What can a newly discovered interstellar comet teach scientists about solar system formation and evolution? This is what a recent study presented at the Na | Space ...

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

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

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