A universe that continually expands has long been the dominant cosmological framework. But a universe that undergoes cycles of expansion and contraction, perhaps for all time, has recently been analyzed …

#YourDailyEquation with Brian Greene offers brief and breezy discussions of the most pivotal equations of the ages. Even if your math is a bit rusty, these accessible and exciting stories …

Watching ants and playing with robots is biologist Simon Garnier’s Cool Job as he studies how people and animals swarm in large groups. Garnier discovers these animals work together to …

Ellen Stofan is the NASA chief scientist, serving as principal advisor on the agency’s science programs. Prior to her appointment, Stofan was vice president of Proxemy Research and an honorary …

Winner of the 2011 Nobel Prize in Physics, Saul Perlmutter joins Brian Greene to discuss how new and upcoming space telescopes have the capacity to revolutionize our understanding of the …

Computer scientist Jasmine Lawrence’s Cool Job is solving problems: She connects families thousands of miles apart through new Facebook technology, runs a blood donation network, and started her own personal …