Why This Universe?

Is it possible that dark energy is not a constant, but rather is changing over time? Sean Carroll talks to us about how our understanding of dark energy evolved in recent history, and what is still left unknown.

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Dan and Shalma have a candid conversation about the state of dark matter research, and the ways the field has changed over the last few years.

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Why does something exist, rather than nothing? Special guest Sean Carroll helps us explore this deep philosophical question.

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There has been some criticism of the process scientists use to check each other's work. Today we take a deep dive into peer review to determine how broken it really is.

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Learn how Noether's profound mathematical theorem relating symmetries to conservation laws is deeply woven into the physics of the universe. Enjoy this rerun of an earlier episode as we take our summer break.

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We explore the diverse world of stars in the universe, from those similar to our Sun to those totally unrecognizable.

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Today's episode is all about the star in our front yard - the sun. Learn how it came to be, how it has changed, and how will it change in the future.

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Hear how the search for exoplanets has developed, and what surprises it has brought so far.

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Today we hear from someone who bore witness to the so-called “November Revolution” of particle physics in 1974.

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Pseudoscience can sometimes be hard to distinguish from the real thing. Today we discuss how philosophers of science have thought about this problem.

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