Looking Up

Latest Episodes:

True Crime Astronomy: Under Calamitous Skies Oct 23, 2026

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In Part 2 of Dean Regas’ investigation into the mysterious death of astronomer Tycho Brahe, Johannes Kepler is the prime suspect. Is the 400-year-old mystery finally solved? Science writer Dava Sobel, astronomy educator Matthias Schmitt and WVXU newsroom members Tana Weingartner, Maryanne Zeleznik, Becca Costello, Bill Rinehart, and Jennifer Merritt join the search for answers.

True Crime Astronomy: A Death in Prague Oct 09, 2026

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On a special episode of Looking Up, host Dean Regas tests a new format as he investigates the mysterious 1601 death of astronomer Tycho Brahe. Science writer Dava Sobel, comedian and actor Thomas Lennon, and WVXU newsroom members Tana Weingartner, Maryanne Zeleznik, Becca Costello, Bill Rinehart, and Jennifer Merritt join the search for answers. Part II publishes Oct. 23, 2026.

Turning the Milky Way into Music (with Mara Helmuth) Sep 25, 2026

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When NASA and other space agencies release sounds from space, what are we actually hearing? The answer: data sonifications. Scientists take data from telescopes, often across multiple wavelengths of light, and translate them into audible soundscapes. Host Dean Regas talks with Mara Helmuth, a composer and professor of music at the University of Cincinnati College-Conservatory of Music, about how researchers turn cosmic data into music.

Launching a Probe into the Sun (with Dr. Joe Westlake) Sep 11, 2026

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The sun is our closest laboratory for understanding how stars work. Decades of space missions have studied the sun, yet its outer atmosphere, the corona, remains a mystery. NASA's Parker Solar Probe was built to change that. Dean Regas talks with Dr. Joe Westlake, heliophysics division director at NASA Headquarters, about what we're learning from humanity's closest approach to a star.

Downloading the Universe (with Dr. Mario Jurić) Aug 28, 2026

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Astronomers say the shiny new Vera C. Rubin Telescope will be able to map the entire universe with remarkable precision in no time. Already, it has located tens of thousands of asteroids close to home. Dean Regas chats with Dr. Mario Jurić, the solar system lead scientist for the Vera Rubin Observatory in Chile, to find out more.

Who Voted to Demote Pluto? (with Dr. Bob Stencel and Dava Sobel) Aug 14, 2026

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What really happened when Pluto was demoted? Twenty years after the International Astronomical Union's 2006 vote, Dean Regas revisits the decision that reshaped our solar system, with insider accounts from science writer Dava Sobel and astronomer Bob Stencel.

A Total Eclipse of Dean's Heart (with Gísli Sigurðsson) Jul 31, 2026

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Chasing solar eclipses is a great excuse to travel. In 2026, August 12th's eclipse presents a challenge: which beautiful destination offers the best view? The path of totality will be visible in both Spain and Iceland. Join Dean as he makes his decision, and pays tribute to a poignant song he's come to love.

Posing for a Picture with the Earth (with astronaut Tracy Dyson) Jul 17, 2026

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Still buzzing with excitement from the Artemis II launch, Dean Regas waxes poetic about that special view of our home planet that only astronauts get to see. A chat with NASA astronaut Tracy Dyson is the closest experience to the real thing.

What did NASA find on Asteroid Bennu? (with Dr. Daniella Mendoza DellaGiustina) Jul 03, 2026

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What is a potentially hazardous asteroid like? Up close and personal? Very few space missions have visited asteroids and fewer still have touched an asteroid and brought some of it back to Earth. Dean chats with NASA's OSIRIS-REx mission's image processing lead scientist, Dr. Daniella Mendoza DellaGiustina, to learn more. Let’s go to the asteroid Bennu!

Bringing the universe down to Earth (with Kat Troche) Jun 19, 2026

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How do you feel about the universe? Is it scary, you know with how large it is? How far way everything is? Is it intimidating when astronomers talk about time in millions and billions of years? Okay, on the surface it’s intimidating. But there are lots of people out there who have made it their mission, sometimes dedicating years to volunteering, and a few well-paying careers, just to bring the universe down to Earth. Dean Regas chats with Kat Troche, project coordinator for the Astronomical Society of the Pacific, to learn more.

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