It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

The Moon meets the Red Planet’s rival in Scorpius, skims close to Saturn, and reaches New phase in the sky this week.

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...

A rare alignment of six planets – Venus, Mars, Jupiter, Saturn, and Uranus and Neptune – takes place these days, offering a spectacular sight for astronomy enthusiasts and stargazers alike.

When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...

Whether your romantic evening consists of scallop risotto overlooking a sunset or a cocktail in a candlelit speakeasy — here ...

Venus, Mars, Jupiter, Saturn, Uranus and Neptune—takes place these days, offering a spectacular sight for astronomy ...

That first star, Alnitak, is a hot, blue-white O-type star that is ... you won’t need any help to see this star shining in the sky! Sunrise: 7:21 A.M. Sunset: 4:56 P.M. Moonrise: 3:29 P.M ...

Next time you're at Sky Harbor International Airport, take a walk along the mile-long indoor trail with stunning views.