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 continues to dazzle the night sky as an “Evening Star" ...

We take in the incredible atmosphere of the Sanicole Sunset Airshow as world-class jets light up the evening sky. As the sun ...

Mars will pass 0.8° north of Regulus at midnight EDT, and both are visible for several hours after sunset for evening observers to enjoy. In the post-sunset sky, look west to find the two standing ...

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 ...

This dark, moonless Friday the 13th evening is the perfect time to head out after dark and try to catch a glimpse of the zodiacal light. The ethereal, cone-shaped glow is actually the reflected light ...

“What’s up in the sky?” is a recurring feature and publishes on the first of every month. You can find it on WTOP’s The Space Place. Email Greg your space questions and he might answer them in the ...

WASHINGTON (7News) — On the evening of Saturday, Feb. 28, sky watchers across the Northern Hemisphere and around Washington, D.C., will have a chance to witness a rare planetary alignment, often ...