When is winter? Weather forecasters in the Northern Hemisphere will tell you Dec. 1 through the end of February, which is ...

Looking for a sky event this week? Check out our full Sky This Week column. December 10: Spot Neptune With no Moon in the ...

The RISTRETTO project, dedicated to observing Proxima b –the closest exoplanet to the Solar System — is reaching a new ...

Check the list of the best celestial events in December 2025, including meteor showers, supermoons, and planetary ...

In this Python physics tutorial, I show you how to draw the celestial sphere using Web VPython! Explore the stars, constellations, and the fundamental concepts behind the celestial coordinate system ...

Abstract: Constellations allow the identification of most stars and celestial objects visible in the night sky at a glance, without the use of a telescope. However, because of the large number of ...

THIS small book comprises 300 pages of matter, and contains a most interesting account of the various members of the solar system and other celestial objects more remote. The narrative is particularly ...

Since its founding in 1894, Lowell Observatory in Flagstaff has been a beacon of astronomical discovery, its scientists famously identifying Pluto and revealing the expanding universe. Now, Lowell ...

From a dragon-shaped aurora to the Milky Way framing the Isaac Newton Telescope in Spain, the 16th Astronomy Photographer of the Year competition has released its stunning shortlisted finalists ahead ...