Podcast Episodes
Back to SearchA Total Eclipse of Dean's Heart (with Gísli Sigurðsson)
Chasing solar eclipses is a great excuse to travel. In 2026, August 12th's eclipse presents a challenge: which beautiful destination offers the best …
4 hours ago
Posing for a Picture with the Earth (with astronaut Tracy Dyson)
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…
2 weeks ago
What did NASA find on Asteroid Bennu? (with Dr. Daniella Mendoza DellaGiustina)
What is a potentially hazardous asteroid like? Up close and personal? Very few space missions have visited asteroids and fewer still have touched an …
4 weeks ago
Bringing the universe down to Earth (with Kat Troche)
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 a…
1 month, 1 week ago
Is most of the universe actually invisible? (with Dr. Stacy McGaugh)
By some counts as much as 96% of everything in the universe comes from dark matter and dark energy. And, up to now, both are completely invisible. Fe…
1 month, 3 weeks ago
3000 Astronomers, One Thrilling Event
What happens when 3000 astronomers gather in one place? The annual American Astronomical Society meeting puts this question to the test. In this epis…
2 months, 1 week ago
FROM THE ARCHIVE: Can Elon Musk Even Go to Mars? (with Oliver Morton)
With Artemis II's recent launch, we are revisiting this conversation. Dean gets to the root of this question with guest Oliver Morton, Senior Editor …
2 months, 3 weeks ago
FROM THE ARCHIVE: Problem Solving in Space (with Andy Weir)
With the recent release of the "Project Hail Mary" film adaptation, we are revisiting a favorite episode of "Looking Up." Dean chats with science fic…
3 months, 1 week ago
Ancient Martian microbes left behind a chemical "fingerprint" (with Dr. Katie Stack Morgan)
Last fall, NASA announced that it found something incredible in a rock on Mars. A core sample obtained by the Mars Perseverance rover discovered a po…
3 months, 3 weeks ago
Searching for Life in Mars' Watery Past (with Dr. Andy Czaja)
What was the planet Mars like in the past? Was it a dry desolate world like the one we see today, or was it a watery oasis filled with oceans, lakes,…
4 months ago