Astronomy

Watch the moon’s shadow from an Icelandic cliff or the Great Wall of China.

They’re continuing a long, prehistoric tradition of science art.

During the 1869 total solar eclipse, astronomers thought they had discovered a new element. They were wrong, and the truth was much weirder.

The award-winning astrophysicist and folklorist takes us on a tour of the Milky Way.

After accidentally introducing invasive moths to North America, amateur entomologist Étienne Léopold Trouvelot turned his eyes to the skies and changed science.

The astrophysicist's search for an interstellar object led him to the bottom of the ocean floor.

Dark-sky parks, stargazing cruises, and other ways to tour the heavens without leaving our home planet.

Self-taught astronomer, Joe Guzman has been educating Chicago residents about space for decades.

Total solar eclipses were an omen of death for rulers of the Assyrian Empire. The fix? Install a fake king and then kill him.

In the 18th century, the English astronomer created a new appreciation for these celestial events.

Nevil Maskelyne, Jr., made history in 1900 with footage that still astonishes experts.

From wild page-turners of the eclipse-obsessed to a gentle children’s book for all ages.

Ptolemy's compendium, later known as the Almagest, dominated Western astronomy for 15 centuries. It was also wrong, and it took the fall of an empire to fix it.

Many of us see a face or a rabbit in the Moon—examples of pareidolia that, when conditions are right, also include the letters X and V.

Whatever you call it, early February's cross-quarter day reconnects us with ancient astronomical timekeeping traditions.