Visible light travels in electromagnetic waves, which we see as the colors of the rainbow. Different colors have different wavelengths of light. Violet and blue have the shortest wavelengths, whereas ...

Venus is now shining brightly as the “Evening Star” after sunset. It will reach its highest in August and peak brightness in ...

The sky tells us a lot about what’s going to happen in weather. Last night’s sunset had a few strong hints as the chaotic sky developed. Sorry, I’m going to ...

A line-up across the southwestern sky on December 5, 2021, consisting of (L to R): Jupiter, Saturn and Venus (brightest), with Jupiter and Saturn in Capricornus, with its stars all visible here though ...

Don't miss the planet parade taking place at the end of March. Jupiter, Mercury, Venus, Uranus, and Mars are set to align in an arc formation on the nights of March 25 through 30, alongside the moon.

Look to the southern sky after dark on Dec. 26 to spot the waxing crescent moon shining near the gas giant Saturn among the stars of the constellation Pisces. The 48%-lit moon will appear roughly ...