You’ve very well known by now the transition of the colors you see as the sunrises or sets. It can be a range of vivid colors ...

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 ...

Sky This Week is brought to you in part by Celestron. Friday7Asteroid 7 Iris reaches opposition at 1 P.M. EST today. Now ...

Mercury, Venus, Jupiter and Mars shine together after sunset in early March, with Mercury at its best of 2026.

A mysterious triangular glow appearing after sunset in late winter is the zodiacal light. Here’s how and when to see it from ...

The Moon reaches apogee, the farthest point from Earth in its orbit, at 5:46 A.M. EDT. At that time, our satellite will stand 251,996 miles (405,548 km) away. With the Moon sinking low in the hours ...

In late winter, the zodiacal light is visible in the evening in the Northern Hemisphere (false dusk) and in the pre-dawn morning in the Southern Hemisphere (false dawn). In early autumn, the timing ...

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 ...