Phil Plait

The moon is Earth's constant companion. But will that always be the case? Every time I see the moon in the sky, it makes me happy.

Other planets have moons, too. Do they get eclipses like we do?

Duration, location, aviation: What makes the best possible view of a total solar eclipse?

Using the new Vera C. Rubin Observatory, astronomers are beginning the largest and deepest survey of the sky. What will they see?

Lakes of liquid methane on Titan, Saturn's largest moon, could offer exhilarating—and terrifying—opportunities for otherworldly surfing

Folding a piece of paper makes it thicker. How many folds would it take to reach the moon—and beyond?

How many paper folds would get you to the moon?

Betelgeuse, the sky's most famous red supergiant, is well studied but poorly understood

Betelgeuse has always been something of a mystery. Betelgeuse is one of the brightest stars in the sky, marking the right shoulder of the constellation Orion. It’s a red supergiant, a massive star w...

Claiming an exoplanet to be “Earth-like” is a trend that needs to bite the dust From what I can gather, Freddie Mercury—the rightfully celebrated lead singer of Queen—was about the same height as I am.