Tap, tap, tap. My secret Valentine will not be dissuaded and keeps tapping on the bay window. Earlier this morning, at ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

After a snowy and frigid Wednesday morning, viewers from across Colorado sent in photos of what appears to be colorful spots on either side of the sun. These are known as sun dogs.

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

Look about an hour before sunrise on Feb. 1 and find Venus, bright but very low, in the southeast, with much dimmer Mercury to its lower left. Far to Venus’s upper right shines Saturn, and ...

As New Year’s Day fades, a young moon hangs in the southwest near Venus and Mars. And as the sun sets on the last day of ...

As soon as I took the lights out of the box, I was impressed with their quality and good looks. Off-white and round, with a ...

From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...

The wake-up light begins red and over the course of 40 minutes turns bright yellow, rising through 20 levels of brightness (most sunrise alarms only have 10). At it’s brightest, it’s slightly ...

It’s often deemed the first color, the strongest color, the color that stands for color itself. So why does it keep slipping ...