How close are we to discovering life on other planets? Get the latest intriguing updates from planetary scientist and astrobiologist Kevin Peter Hand and NASA engineer Kobie Boykins.

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Join leading paleontologists Nizar Ibrahim and Sebastián Rozadilla for a startling look at how groundbreaking new science is changing what we thought we knew about dinosaurs.

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Get a glimpse into the ocean’s greatest depths—and the fascinating creatures that live there—with leading marine biologists David Gruber and Diva Amon.

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