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

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 ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most overlooked—astronomy project of the 21st century ...

Gaia, Europe’s Galactic Cartographer, Is Gone But Not Forgotten Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

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

The third object known to have entered the Solar System from interstellar space has an origin unlike either of its ...

Astronomers have studied the globular cluster 47 Tucanae extensively, but still have many questions. It may have an ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

Researchers at Oxford have discovered that comet 3I/ATLAS may be over 7 billion years old, making it the oldest one we've ...

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 ...