The Milky Way Galaxy contains an estimated 400 billion stars, with the faintest (M dwarfs) posing challenges to accurate counts. The Perseus Moving Group (Melotte 20), a cluster containing ...

Stars and satellites are meeting more frequently in the night sky, raising vital questions about the future of astronomy.

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

“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 ...

August 22nd: The Swan Nebula (M17) reaches its highest point around 11 PM local daylight time, observable with binoculars or telescopes in northwestern Sagittarius. August 23rd: A New Moon, termed a ...

With its longer, cooler nights, Autumn is an excellent time of year for stargazing, taking in a half-dozen meteor showers (including a potential meteor storm and fireball swarm), and possibly even ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

The Moon passes 0.8° north of Venus and 1.3° north of magnitude 1.4 Regulus at 8 A.M. EDT, all with Venus less than 0.5° from Regulus as well. The trio rises together around 4:30 A.M. local daylight ...