The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

The Moon is no stranger to being struck by huge lumps of space rock. In fact, new research has shown that, nearly four ...

A full moon happens when the moon is directly opposite the sun from our perspective on Earth, fully illuminated by sunlight.

The night sky tonight and on any clear night offers an ever-changing display of fascinating objects you can see, from stars and constellations to bright planets, the moon, and sometimes special ...

The night sky offers fascinating events at different times of the year, and February is no exception. Tonight we will ...

Venus—the second brightest object in the night sky after the moon—will shine 110 times brighter ... the BepiColumbo spacecraft took close-up images of its craters. If a planet is visible ...

The moon may still be geologically active, judging from the way the lunar far side is wrinkling as the moon contracts. At ...

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

February's full Snow Moon will have a royal companion as it rises alongside Regulus, a star nicknamed "Heart of the Lion", ...

The changing declination also defines the daily arc that the sun takes across the sky, thereby accounting for the length of daylight. Want to see the moon up close in the night sky? The Celestron ...

Around midnight tonight in the east, a 55%-lit waning gibbous moon will be just a tenth of ... visible to the naked eye in the post-sunset night sky. Look south anytime after dark, and you'll ...