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.

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky.

“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 ...

Turn your eyes to the east in the early morning hours of Sept. 16 to see the moon conspire with Jupiter and the bright stars of the Gemini constellation to create a lopsided rectangular formation in ...

On September 12, Mars will appear near Spica, while the Moon will pass near Uranus. The Pleiades and the Hyades star cluster will also be visible. Mercury will be in superior conjunction on September ...

Our Milky Way Galaxy is filled with stars - perhaps as many as 400 billion - although it's hard to estimate the number because the faintest stars, M dwarfs, are very hard to see over long distances.