From road-tripping adventurers to luxury resort goers, more travelers are seeking the stars than ever before. Saudi Arabia is hoping to become the Middle East’s top astrotourism destination: it’s home ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Venus is now at its almost unbelievably brightest at a marvelous time when many other (though less radiant) planets and ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

From supermoons to an eclipse and star parties at national parks, these captivating celestial phenomena will get Americans ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

Io's small, dark shadow continues toward the western edge, disappearing at midnight ... The Full Moon itself lies opposite ...

Full Moon: The Moon will be ... and will not be visible in the night sky. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no ...

With a nickname like Big Sky country, it's no surprise Montana is the ultimate destination for this year's celestial events, like a lunar eclipse and meteor showers.

The moon will be only 61% illuminated and not quite so dazzling, making this upcoming occultation easy to see and enjoy.