When millions of people turn off their lights for Earth Hour each year, something remarkable happens in the night sky above ...

If you looked up a the night sky last night, you might have seen a group of bright lights streaking across the sky. Social media immediately blew up. What were the lights?

Take back the night: Establishing a “right to darkness” could save our night skies Dark sky proponents mull the rights of nature to battle light pollution. Here's how it would work ...

The never-before-seen "nova," dubbed V462 Lupi, recently appeared in the constellation Lupus, after suddenly becoming 4 ...

Are 7 planets having a rare alignment in our night sky? News of this unusual celestial event has been flooding social media in the last several days. But what will you really be able to see?

A crescent moon will appear alongside the bright stars Castor and Pollox to form a lopsided grin in the night sky on May 29. Skywatchers in the U.S. will find the cosmic smile hanging above the ...

If last year whet your eclipse appetite, get excited for the night skies this month. Mid-March will bring a total lunar eclipse—a phenomenon that turns the full moon a haunting orange tone—to ...

Rare ‘smiley face’ will light up the night sky on April 25 The triple conjunction event involves Saturn, Venus, and a crescent moon.

At night, after the sun sets and its scattered light diminishes, the sky gets darker. But does it get completely dark—that is, with absolutely no light coming from between the stars?

A trifecta of stargazing events could be visible in the night sky this weekend.

The night sky is a wonderful thing to get lost in, and it’s a terrible thing to lose. Here's everything you need to know about stargazing in Maine.