This is thought to be one of the earliest known photographs capturing a group of tourists on Athens's Acropolis, taken around the 1860s.

Behold, the earliest known photograph of an intact giant squid, taken in 1874. This black and white photo looks more like a prop from an old sci-fi creature-feature than a real life animal. The photo ...

An astronomer and a photographer captured the first photograph of star 175 years ago on July 17, 1850. This image of Vega in the sky over Harvard is the first known photograph of a star other than our ...