A waxing gibbous moon and the ringed planet Saturn will enlighten our sky for treat-or-treaters this Halloween.

Without the necessity of adjusting daily routines to allow for stargazing when nightfall is late, as in summer, now it is ...

Mercury currently appears as a bright "evening star" in the southwestern sky at sunset. Mercury will reach its greatest ...

“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 ...

Step outside tonight in the early evening, when Sagittarius lies above the southwestern horizon. Globular cluster M22 shines brightly at magnitude 5.1, readily observable with binoculars or any size ...