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

A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.

Skywatchers worldwide are in for a charming cosmic display before the sun rises Friday, as three celestial bodies will appear ...

The new moon occurs April 27, and a day later Venus and Saturn will make a close approach to each other (known as a ...

In February, stargazers enjoyed a rare occurrence: All seven of Earth's planetary siblings dotted the night sky at once. And ...

According to NASA, the planetary phenomenon will be clearest about 45 minutes before sunrise, low in the eastern sky and appearing near the moon. Venus and Saturn will be the easiest to spot — but for ...

From your WhatsApp messages to your work emails, it can sometimes feel like emoji are everywhere you look. But tonight, a ...

Skywatchers can enjoy a celestial alignment of the crescent moon, Venus, and Saturn on April 25, with Mercury visible near ...

Get ready to put a smile on your face and have the sky smile back when the planets align over New York City this week. Venus, ...

A surge of solar energy will make the Northern Lights even more visible Tuesday and Wednesday nights — and Wyoming will be in ...

Slideshows ...

After more than a decade of mapping billions of stars across the Milky Way and beyond, a groundbreaking spacecraft is ...