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

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

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.

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

The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the ...

A massive, spacetime-warping cluster of galaxies is the setting of today's NASA/ESA Hubble Space Telescope image. The galaxy ...

This July, skywatchers across Southern California are in for a remarkable sight as the crescent Moon and Mars converge in a ...

James Gunn's Superman movie swooped into theaters Friday, offering thrilling battles, big-hearted heroes and an amusingly ...

A waning gibbous moon, by now rising late at night, will appear first, followed by the steady, golden glow of Saturn. They’ll ...