Nowadays, the tools for tracing your family tree have advanced far beyond looking back at names in the family Bible or compiling a scrapbook of paper records. Using your genetic information to find long-lost relatives is easier and cheaper than ever before—and scientists are looking to push the technology even further by analyzing our skin and facial features.

Archaeologists Hannah Morris and Becca Peixotto tell the story of their efforts to uncover remains of a new species of human relatives that are over 200,000 years old in South …

Will Kinney joins Brian Greene to explore whether leading-edge cosmological theories can avoid a beginning to time. This program is part of the Big Ideas series, supported by the John …

With ever more refined techniques for measuring complex brain activity, scientists are challenging the understanding of thought, memory and emotion–what we have traditionally called “the self.”

While humanity’s past is firmly grounded on our home planet, the humans of the future may live on the moon, Mars, or interstellar ships bound for distant worlds. To prepare …

Nobel laureate Steven Weinberg was one of the world’s foremost theoretical physicists and a passionate advocate for science. Among his many influential contributions is the co-discovery of the electroweak theory …