Why This Universe?

When different groups of astronomers measure the expansion rate of space, they get different answers. Who's right? Or are they both right, and new physics is afoot?

Today we dive into the world's shiny new space telescope - JWST. Learn why are physicists and astronomers are so excited about it, and what new secrets of the universe it might reveal. Keep your eye …

Can free will exist in a universe described by the laws of physics? Listen to this re-broadcast of one of our favorite episodes.

Daniel Whiteson and Jorge Cham talk to us about what science communication means to them.

Listen to their podcast, Daniel and Jorge Explain the Universe: https://www.iheart.com/podcast/105-daniel-and-…

Today we unpack the latest neutrino results from Fermilab's MicroBoone experiment. Special guest Pedro Machado helps us understand what they mean for the future of neutrino research.

In honor of Nobel prize season, we remember some people whose important work in the past has been overlooked by the Nobel committee.

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The neutrino's non-zero mass is an anomaly, but one that leads to a promising new dark matter candidate - the sterile neutrino. Could this be it?

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Today we discuss neutrino oscillations - their ability to transform between different types – and the quantum mechanics that makes it possible.

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Learn about the chaotic motion that underlies even the most ordered structures, including life.

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Some physics theories are admired for being beautiful, but does that mean they are more likely to be true? Or could chasing beauty lead us astray?

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Hear why supersymmetry was special enough to win over physicists hearts, and why faith in it might be dying out.

Today we explore one of the biggest and most frustrating open problems of particle physics - the hierarchy problem.

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Learn how astronomers are using invisible particles to see what we've never seen before!

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Learn about the oldest light in the universe - the cosmic microwave background - and how it became a treasure trove of cosmological insight.

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Hear what proved to physicists that the universe started with the Big Bang - and the one person who was never convinced.

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Learn how a profound mathematical theorem relating symmetries to conservation laws is deeply woven into the physics of the universe.

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A rerun of one of our favorite episodes ever. Some physicists have considered the possibility that dark matter might not exist - and that instead, it's our theories of gravity which are wrong. Today …

A re-post of one of our favorite early episodes. Learn how special relativity and quantum mechanics come together to make an odd prediction about matter.

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Get our introduction to the measurement that might prove the Standard Model wrong!

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The Big Bang theory leaves us with some open questions, and the theory of inflation might have the answers.

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