Daniel and Kelly answer a question about whether space can be infinite and finite

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Does the Universe go on forever, or have an end? What shape is it?

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Daniel and Jorge talk about new ways to find dark matter, using space microwave ovens.

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Daniel and Jorge wrestle with the hairy question of what's happening inside and on the surface of black holes. 

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Daniel and Jorge talk about the claims that 'Oumuamua might have been alien space junk.

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Daniel and Jorge break down a new study that looks for dark matter using both gravity and light.

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Daniel and Jorge talk about the effort to track down all the quarks in the Universe.

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Daniel and Katie warp their minds around the question of what gravitational information really is and what we know about a black hole.

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Daniel and Jorge answer questions from listeners like you! Send in your questions to questions@danielandjorge.com

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Daniel and Jorge answer questions from young people about the Universe, to mark Jorge's new book!

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Daniel and Jorge dust off their knowledge of the tiny-but-mighty grains of space dust which help form our world and block our view of the cosmos.

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To mark the 500th episode, Daniel gives a tour of the podcast's history and production process, including candid interviews with the co-hosts, Sean Carroll and other podcasters.

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Daniel and Kelly talk about what it would take to live away from Earth, and whether a small planet could host humanity.

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What is light made of? A particle, a wave, both, neither? Little puppies?

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Daniel and Jorge wrestle with the weird consequences and hard questions of special relativity!

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Daniel and Jorge talk about why the Higgs mass is such an important number and how physicists weigh such a fleeting particle.

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Daniel and Jorge answer questions from listeners like you! Send your questions to questions@danielandjorge.com

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Daniel and Jorge explain how simulation lets scientists answer new kinds of questions about the Universe.

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Daniel and Katie talk about what physicists expected when they turned on a new kind of ear for listening to the Universe.

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Daniel and Jorge talk about what it means for space to be curved, how we measure it and why the answer is a puzzle.

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Daniel and Kelly talk to the author of "Meru" about a future which blurs the line between humans and machines.

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Daniel and Jorge talk about what is revealed if you empty space of all possible particles.

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Daniel and Kelly talk to Tayio Fujii, author of "Orbital Cloud" 

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Daniel and Jorge turn their eyes to the center of the galactic action and give us a sense for where we are.

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Daniel and Jorge answer questions about banana decays and black hole velocities.

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Daniel and Katie get their heads spinning as they spiral into the center of spinning black holes

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Daniel and Jorge talk about a particle with a pure magnetic charge and how to look for it using a cubic kilometer of ice.

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Daniel and Jorge talk about the mysterious mass of the neutrino and how we can measure it.

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Daniel and Kelly talk about how to keep solar panels bright and powerful when they far away on a dusty planet.

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Daniel and Jorge talk about the gooey physics of honey, gravity, asphalt and ketchup!

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Daniel and Jorge answer questions from listeners like you!

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Daniel talks to Zach Weinersmith about the most common misconceptions about our Universe.

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Daniel and Jorge talk about whether we can expect the Earth to continue in its path forever, or if our days are numbered.

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Daniel and Jorge talk about what happens when you start to move fast, and whether it makes sense to think about your mass growing.

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Daniel and Jorge talk about how a planets gets its natural satellites and the stories that each one reveals.

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Daniel and Jorge look right into the beam of incredible astronomical explosions.

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Daniel and Jorge talk about whether galaxies have to have black holes at their hearts.

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Daniel and Jorge break down the recent discovery of huge gravitational waves by NANOGrav, and what it means about supermassive black holes.

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Daniel and Jorge explore the deep, violent history of the Earth's surface.

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Daniel and Katie touch on the explosive question of nuclear weapons and explain the impact of space-based explosions.

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Daniel and Jorge answer questions from listeners about the dangers of our Universe and whether engineers could save us. 

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Daniel talks to philosopher Thomas Barrett about whether there could be multiple effective descriptions of our Universe 

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Daniel and Jorge try to see through the mysteries of transparency.

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Daniel and Jorge talk about the super names for some of the most incredible events in astronomy.

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Daniel and Katie talk about the amazing physics, chemistry and biology that determines how we see the Sun.

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Daniel and Jorge talk about whether the Universe would make sense without antimatter.

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Daniel and Jorge slice time down to its shortest slivers to understand how fast things can happen in the Universe.

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Daniel and Jorge talk about how clever experiments might provide a breakthrough in the effort to understand the quantum nature of space-time.

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Daniel and Kelly talk about how the gravitational dance of the Earth and Moon, and other objects in and out of our Solar System.

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Daniel and Jorge talk about how to use different cosmic rulers to measure the expansion of the Universe.

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