Bruce Smith, anthropology curator at the Smithsonian's Naitonal Museum of Natural History, talks about the Smithsonian explorations in the 1880s to determine who built the ancient earthen mounds in eastern North America. [...more]
Astronomers are confident the Cygnus X-1 system contains a black hole, and with these latest studies they have remarkably precise values of its mass, spin, and distance from Earth.
[...more]
Smithsonian Anthropologist Bruce Smith shares the origins of some favorite Thanksgiving foods. [...more]
A fragment of whale rib found in a North Carolina strip mine is offering scientists a rare glimpse at the interactions between prehistoric sharks and whales some 3- to 4- million years ago during the Pliocene. [...more]
In a new paper, Avi Loeb, of the Harvard-Smithsonian Center for Astrophysics, and Edwin Turner, Princeton University, suggest a new technique for finding aliens: look for their city lights. [...more]
Studies at two remote Smithsonian Institution Global Earth Observatory sites in Panama and Thailand show the first evidence of long-term effects of nitrogen pollution in tropical trees. [...more]
For three years—2001, 2002 and 2008—on Teopa Beach in Jalisco, Mexico, researchers examined the shell, neck and flippers of female turtles that had come out onto the beach to nest, collecting and carefully documenting all the organisms—known as epibionts—they found. [...more]
In a new study researchers from the Smithsonian Conservation Biology Institute’s Center for Conservation and Evolutionary Genetics used DNA from coyote scat (feces) to trace the route that led some of the animals to colonize in Northern Virginia. [...more]