Big Picture Science

The surprising connections in science and technology that give you the Big Picture. Astronomer Seth Shostak and science journalist Molly Bentley are joined each week by leading researchers, techies, and journalists to provide a smart and humorous take on science. Our regular "Skeptic Check" episodes cast a critical eye on pseudoscience.

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Big Picture Science

Episodes (666)

Monday Chasing an Asteroid
Feb 23rd Birds of a Feather
Feb 16th Celestial Shake-Up

Big Picture Science

Mar 2, 2026
56 minutes
0

Everyone knows that a big rock wiped out the dinosaurs. But the danger from an asteroid hitting Earth is not limited to ancient history. To deal with this threat, scientists recently ran an experiment to deflect a potential “city killer.” We’ll hear the results of that experiment, and about a visit to another asteroid. In the dusty material NASA brought back from the asteroid Bennu, scientists found the chemical building blocks of life, including many of the amino acids that are found in our cells. Could an asteroid have brought the ingredients for life to ancient Earth? In this e...

Big Picture Science

Chasing an Asteroid

Big Picture Science

00:00 -56:00