Star trails are the visible imprint of Earth's rotation. As our planet spins around its axis, the stars appear to sweep ...

Some people probably believe that the twinkling effect is produced by the stars themselves, but that is not the case at all. Since 1986 I have had an affiliation with the Hayden Planetarium in New ...

Perched atop the summit of Mauna Kea in Hawaii, the Gemini North Observatory is one of the world's most powerful windows into ...

“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 ...

Many stars have planets orbiting them. Several bright stars near Earth have confirmed planets, some potentially large gas giants. Some of these planets orbit their stars at distances similar to ...

Astrophotography often misrepresents the naked-eye appearance of celestial colors, as cameras capture saturated colors unattainable by human vision due to limitations in photoreceptor sensitivity. The ...