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

For years, scientists have predicted that in about 3.75 billion years, our Milky Way galaxy would collide with its massive neighbor, the Andromeda galaxy. This cataclysmic event was thought to be a ...

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 ...

Folks think I've lost my mind when I suggest the best time of year to visit me for stargazing here in the Southern California desert is during late July and early August. Yes, the days are scorchingly ...

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

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 ...

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.

Scientists have detected the collision of two massive black holes merging beyond the Milky Way. The two black holes, each ...

The newly discovered space rock may be older than our entire solar system, and you may get the chance to see it ...

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