Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our solar system and beyond. The full show archive is available for free.

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Found! Beagle 2 on Mars

The Beagle 2 Mars lander disappeared after it separated from the Mars Express orbiter on Christmas Day, 2003. Eleven years later, it has been found, partially-deployed on the Martian surface. Longtime Beagle 2 mission leader Mark Sims tells the story.

Year of the Icy Worlds

We’ll visit the Jet Propulsion Lab on its Icy Worlds Day to learn more about spacecraft exploring Ceres, Enceladus and Europa from leaders of these missions.

Tales From a 4 Billion Year Old Piece of Mars...On Earth

Robina Shaheen and Mark Thiemens tell us how an ancient Mars meteorite has revealed much about the red planet. Mat holds a tiny fragment of the rock in their UC San Diego lab.

LightSail Prepares to Take Flight

The Planetary Society has just announced that LightSail will be launched into orbit on its first test flight in May. We’ll talk with Project Manager Doug Stetson and embedded LightSail reporter Jason Davis about what to expect.

The Exciting Year Ahead on the Final Frontier

The Planetary Society’s experts look forward to a great year of firsts in the solar system and beyond.

2014: The Year in Space

Our annual review of the greatest events and accomplishments over the last year features analysis and commentary by Bill Nye the Science Guy, Emily Lakdawalla, Jason Davis, Casey Dreier and Bruce Betts, along with a special new year’s gift of Neil deGrasse Tyson.

Where Did The Air Go? Bruce Jakosky on the MAVEN Mars Mission

Not just the air. Where is the water that was plentiful on the red planet billions of years ago? MAVEN may help answer these questions. Principal Investigator Bruce Jakosky reports on the early, exciting science data.

Kip Thorne and the Science of Interstellar

Spoiler alert. Famed physicist Kip Thorne says you might be able to survive a plunge into a black hole after all! That’s just one molecule of the fascinating science behind the science fiction film he helped create. We’ll talk about the movie and Kip’s new book, “The Science of Interstellar.”

2014: The Year We Landed on a Comet

Not just landed. Orbited, too. European Space Agency Senior Science Advisor Mark McCaughrean helps us celebrate the Rosetta orbiter and the Philae lander.

Cassini Mission Update From Project Scientist Linda Spilker

Cassini is safe! Project scientist Linda Spilker returns with a regular update on Saturn, its moons and rings not long after learning that the mission is funded through its 2017 plunge into the planet.

Digging Deep With Kris Zacny and the Planetary Deep Drill

If there’s life on Mars, it’s probably deep beneath the surface. That’s just one reason we need a tool like Planetary Deep Drill on the red planet and other mysterious worlds around our solar system. Honeybee Robotics’ Kris Zacny introduces us to the innovative prototype.

The SpaceShipTwo and Antares Disasters: Special Coverage With John Logsdon

It was a terrible, tragic week for commercial space development. Historian and space policy analyst John Logsdon helps up understand the greater meaning of the SpaceShipTwo and Antares disasters on this special edition of Planetary Radio, with additional thoughts from Bill Nye.

Yale’s Debra Fischer and the Ever More Precise Search for New Worlds

It’s terribly hard to find exoplanets that look like our homeworld. The search requires development of astoundingly powerful and precise instruments. That’s the job Debra Fischer and her team have taken on.

Miguel Alcubierre, Inventor of Warp Drive?

Inspired by Star Trek, distinguished physicist Miguel Alcubierre developed the general relativity-based model for warp drive 20 years ago. Hear why he doubts it will ever be a reality, and learn about his current research on gravitational waves.

Smashing Holes in Mars to Look for Life

Explore Mars wants to look for life on the Red Planet. Not past life. Life thriving under the Martian surface right now. Chris Carberry will tell us how the ExoLance project might find it.

Alan Stern and a Big Milestone on the Way to Pluto

New Horizons passed through the orbit of Neptune on August 25th. By cosmic coincidence, this was the 25th anniversary of Voyager 2’s flyby of that big, blue world. We catch Principal Investigator Alan Stern right after a celebration in Washington.

The Search for Extraterrestrial Polluters?

Harvard’s Henry Lin led work that determined the soon-to-be-launched James Webb Space Telescope may be able to detect an alien civilization by analyzing its atmosphere.

Pathways To Exploration: John Logsdon Analyzes the Human Spaceflight Report

The National Research Council released its long-awaited report June 4th. Distinguished space policy analyst John Logsdon returns to Planetary Radio with his take on this latest attempt to determine the proper role of humans in space.

A Starlight Festival Cassini Mission Update

Cassini Project Scientist Linda Spilker joins us at the first Starlight Festival in Big Bear Lake, California, and festival MC Andre Bormanis makes a bonus appearance on the show.

At Spacefest VI With Apollo Astronaut Gene Cernan and a Host of Proud Space Geeks

Planetary Radio visited Spacefest in Pasadena to talk with planetary scientist and space artist Dan Durda, Marc Rayman of the Dawn asteroid mission, and a guy who calls himself the Space Cowboy. We also eavesdrop on Apollo 17 Commander Gene Cernan and his lifelong fan, Griffith Observatory Curator Laura Danly.

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