We've Entered a New Era: The Lunar Anthropocene
For almost half a century, the term "Anthropocene" has been informally used to describe the current geological epoch. The term…
The Positions of Stars on an Ancient Navigation Device Tell us When it was Made
Astrolabes serve two purposes. First, they are useful as an astronomical tool, especially for finding a ship's latitude. But second,…
Review: Unistellar’s eQuinox 2 Telescope and New Smart Solar Filter
I recently had the chance to try out one of Unistellar’s smart telescopes, the eQuinox 2. Unparalleled in its ease…
Three Baby Stars Found at the Heart of the Milky Way
The core of our Milky Way is buzzing with stars. Recently astronomers reported that it contains at least one ancient…
Exomoons Defy Discovery
For a long time, we wondered if other stars hosted planets like the Sun does. Finally, in the 1990s, we…
Why Was it Tricky to Know the Distances to Galaxies JWST Was Seeing?
One of the chief objectives of the James Webb Space Telescope (JWST) is to study the formation and evolution of…
Psyche Gives Us Its First Images of Space
NASA's Psyche mission began eight weeks ago when it launched from the Kennedy Space Center. While it won't reach its…
What Would a Modern “Golden Record” Include?
Now that several decades have passed since the launch of Voyager 1 and Voyager 2 in 1977, we look back…
Amateur Astronomers Found Planets Crashing Into Each Other
Astronomy is one of the sciences where amateurs make regular contributions. Over the years, members of the public have made…
Why 2023 is a Fine Year for the Geminid Meteors
One of the best meteor showers of the year puts on a fine display in 2023.