April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

Pulling the plastic bins down the rough pavement of my driveway, I stare up at a smattering of stars and planets. I can’t see that many; the band of the Milky Way that I used to see nightly when I ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...

Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

NASA has recently shared groundbreaking footage of Mars, offering the clearest images of the red planet ever captured by the ...

Some people probably believe that the twinkling effect is produced by the stars themselves, but that is not the case at all.

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...