Four prominent celestial objects — the moon, a bright planet and two bright stars — will come together to form a "celestial ...

June's new moon leaves the sky dark for skywatchers to see Mercury next to our lunar companion on June 27.

The new moon occurs on June 25. A day later, Mercury reaches its highest point in the evening sky, and on June 27, the young moon will make a close pass to the planet.

On June 26, you'll have an opportunity to behold the sight of a slender waxing crescent moon positioned just to the right of Mercury.

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

When millions of people turn off their lights for Earth Hour each year, something remarkable happens in the night sky above ...

The July full moon didn't disappoint as it rode low across the horizon last night and we've got the photos to prove it.

Trundling along the ecliptic plane in Virgo, our satellite hangs near the bright star Spica in the evening sky.

Buck Moon Nearly a week after Fourth of July fireworks illuminate the sky, the so-called Buck Moon will rise on July 10.

Monarch Trail in Newport State Park is an easy hike with open sky views. Located in Door County, Wisconsin, this trail is in the state's only official Dark Sky Park.