Researchers have found a mysterious ancient structure beneath a Maya ball court in Mexico. Located in the state of Campeche, ...

The creature's bones show evidence of cutting with stone tools, adding to a series of findings that suggest humans were ...

Fifty-five years after the first human lunar landing, scholars and experts are looking to preserve the past as more nations ...

Marine ecologist Denise Breitburg explains how oxygen loss is crippling our oceans, and why it needs to be included as the ...

When James McNeill Whistler put the final, defiant flourishes upon two golden peacocks on art collector Frederick Leyland’s ...

Air & Space Quarterly talks to Blue Angels pilot Amanda Lee Why did you want to fly for the Blue Angels? Growing up in ...

Jeff Campagna is a photo editor at Smithsonian magazine. You can follow him on Instagram at @jeffcampagna.

The new definition would define planets based on mass, rather than more ambiguous shape and size characteristics ...

Researchers uncovered skeletal remains of two people in the ancient city that seem to have been killed by a building collapse ...

The Navy secretary officially cleared the 256 Black service members who were punished in connection with the explosion in ...

Now, a group exhibition in New York is honoring how the tradition has continued into the 20th and 21st centuries. “ Dog Days ...

Run by researchers at Cal Poly, the stream is part of a citizen science initiative that aims to change the public's ...