Over the last few days, night sky observers may have noticed that the moon has been shining extraordinarily brightly. Tonight ...

Rather than solid arms, spiral galaxies may show density waves—regions where matter slows down and bunches up, like cars in ...

May’s flower moon will appear full on Sunday and Monday evening, though this micromoon will look a little smaller than normal ...

May's flower moon will impress skywatchers on Monday, May 12, 2025, rising just after sunset to illuminate the night sky. But ...

Over the past decade or so, astronomers have speculated about the characteristics of rogue planets in the Milky Way galaxy. These "free-floating" worlds don't orbit stars, but instead roam the ...

The word itself comes from galaktikós kyklos, or “milky circle,” the ancient Greek term for the Milky Way, our home galaxy.

A bright Moon dominates the sky, passing two bright stars as Juno reaches opposition and Mercury dips toward the horizon in ...

NASA’s James Webb Space Telescope (JWST) has captured a mind-blowing deep-field image of a tiny sliver of the sky, revealing ...

Did you know that the sun is up for more hours this month than in August? August is summertime, and May is still spring, so it may not seem quite right.

Saitama and Superman both sit at the top of the cosmic food chain—but how they got there couldn’t be more different. Saitama ...

The first image of the whole Earth from space came in 1972, when astronauts Ron Evans or Harrison Schmitt took a photo from ...

There's no lightsabers or planet-killing super-weapons (yet), but the latest season of the 'Rogue One' prequel shows what the ...