Efforts to label the human epoch have ignited a scientific debate between geologists and environmentalists
The world’s most charismatic amphibian is upending the conventional wisdom about evolution
The roots music expert’s latest album is finger-picking good
The Brazilian government’s bold efforts to clean up the city’s notoriously dangerous favelas is giving hope to people who live there
A new study indicates that the levels of radiation astronauts would experience over the course of a deep space mission could lead to dementia
Travel up North, tour the best of the Hirshhorn and become a crafting sensation all in one week!
Genetics is a powerful tool, but it will not tell us why Adam Lanza killed those people
From the inventor of the barcode to the discoverer of how cancer spreads, we take a look at the brilliant minds who shaped our culture and modern way of life
Neil Armstrong, Sally Ride, Roger Boisjoly and the shuttle program form this year's late greats of space exploration
Preview some of the top-notch shows—on anatomy, bioluminescence, water tanks and more—slated for the next year
As you don your sparkly holiday fashions, think of the trend's start in an Egyptian tomb
The new year could feature discoveries of life within subglacial Antarctic lakes, the brightest comet in generations and more
Nominated for her Woody Guthrie tribute album, Mitchell also has a new album of rock covers, from David Bowie to Jimi Hendrix
The possibility of entering a sealed aircraft, buckling up and exiting the atmosphere in the name of leisure is nearing reality
All are inventive minds pushing technology in fresh directions, some to solve stubborn problems, others to make our lives a little fuller
After a decade of planning, and two weeks in the field, the Lake Ellsworth drilling program was cancelled for the year
Whether they're breaking ground or topping off, these are the biggest building projects we'll be watching in 2013
A tragic Christmas mystery remains unsolved more than 60 years after the disappearance of five young siblings
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