Articles by Claudia Dreifus

Edward Burtynsky, Oil Spill #10 Oil Slick at Rip Tide, Gulf of Mexico, June 24, 2010, chromogenic print

Age of Humans

This Stunning Contemporary Art Captures Terror, Wonder and Wit in the Anthropocene

Smithsonian art historian Joanna Marsh selects nine works that tell stories about life in the age of humans

A pigeon trap, on view at the Air and Space Museum, used by Nobel Prize winners Penzias and Wilson to remove the birds roosting in the radio antenna's large horn.

Think Big

How Two Pigeons Helped Scientists Confirm the Big Bang Theory

For decades, astronomers had debated how the universe began. Then, in 1964, they had their "Eureka!" moment

An artist's rendition of the Big Bang.

What Astronomers Are Still Discovering About the Big Bang Theory

A half-century after it was confirmed, the theory still yields new secrets

loading icon