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 …

Search and rescue robots are able to go into places humans can’t and shouldn’t…this is the cool job of roboticist Edwin Olson who now makes autonomous shuttles. Episode filmed live …

Humans are heading back to the moon…and this time, they have plans to stay. National and international space agencies, and private enterprise, are joining forces with the goal of establishing …

We’ve assembled an all-star group of ecologists, naturalists, and creative thinkers for an urgent but hopeful conversation about the environmental pressures bearing down on Earth’s rich spectrum of species.

Did the molecules that make up life ride to earth on an asteroid? Planetary scientists Jessica Barnes and Phil Bland join Brian Greene to discuss NASA’s recent rendezvous with Bennu, …

Einstein’s “spooky action” describes quantum particles entangled across space, but can such spookiness entangle particles across time? A conversation spanning the origins of quantum mechanics through its leading-edge implications for …