Because of his alleged involvement with the Ghost Dance movement, the Lakota leader, who died on this day in 1890, was seen ...

So-called mirror cells could rampage through our ecosystems, food supply and immune systems, experts say, potentially without ...

Most of the documents are heading to the auction block, where they could fetch more than $1 million. They were found in a ...

The enfranchisement of property-owning women over 30 on this day in 1918 came at a time of great strife within political ...

Contracted divers found 101 gold coins from the wreckage of a Spanish fleet in 2015, but they only reported 51 to authorities ...

Staff at the Institution pick their favorite reads of the year, including riveting memoirs, fascinating true histories and ...

Conservationists hope the love story between Boris and Svetlaya might indicate a new, successful chapter in tiger ...

Jean Charles Blais had no idea that his studio in southern France was hiding a Roman funerary inscription dating to the first ...

The scales on crocodiles’ heads are very different from the skin appendages of other animals and even distinct from the ...

Researchers have been carefully excavating the artifacts and decorative reliefs found at the 2,100-year-old site in the ...

Named "Ninumbeehan dookoodukah" by Eastern Shoshone students and elders, the creature burrowed in riverbeds to stay moist ...

To commemorate the National Day of the Horse, see herds of equine images from the Smithsonian Magazine Photo Contest ...