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

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

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

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

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

Google Maps for Android is now prompting users about “early access to customize your vehicle icon’s style & color.” This ...

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

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why is the sky blue? – Mariana A-E., age 11, ...

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

This evening, our satellite appears to Jupiter’s upper left in the sky ... after sunset, and you’ll see that Full Moon rising in the constellation Gemini, close to the small red point of ...

A shortcut for New Yorkers to spot some of the planets is to look for them when they are near the moon. On Feb. 1, Venus will ...