Mercury now shines at magnitude 0 in Gemini and is visible in the western sky for about an hour and a half after sunset. The ...

On a clear night, the moon you gaze upon looks the same as it looked for the first humans that walked Earth—the same ...

Wausau Pilot & Review Central Wisconsin skywatchers can look forward to a dynamic week of celestial events, from the official ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...

Summer arrives for northern observers as the Moon visits Venus, Uranus, and Mercury. Plus: globular cluster M15, double star ...

and Barnum & Bailey Circus will take its final bows Sunday. The very last “Greatest Show on Earth” will be held in Uniondale, New York (on Long Island), and that’ll cap a 98-year run for the ...

Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history. Free timed-entry passes are required for the Museum in DC.

A new book shows that the Northern Dene people of Alaska and Canada have known far more about the stars than an earlier ...

June offers a celestial spectacle, starting with the Milky Way's rise in dark skies. Venus shines brightly in the early ...

Look for them around 10 p.m. local daylight time, roughly one-quarter up in the western sky. In addition to their closeness ...

Free timed-entry passes are required for the Museum in DC. The Lunar Reconnaissance Orbiter Camera (LROC) has captured dramatic landscapes of the Moon since it was first launched in 2009. A New Moon ...