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A new geologic map of the ancient Martian highlands produced by researchers at the Tucson-based Planetary Science Institute provides new insights into the history of water modifying that planet’s surface — and shows water-related activity may still be active today. Read more»

The Monday Political Face-Off featured commentators Bruce Ash and Paul Eckerstrom. Also, Gayle Hartmann, president of Save The Scenic Santa Ritas and Dr. Mark Sykes, head of the Tucson-based Planetary Science Institute. Read more»

The Monday Political Face-Off featured commentators Jeff Rogers and Bruce Ash. Then, we had a preview of Tucson Modernist Week with Demion Clinco, who heads the Tucson Historic Preservation Foundation. Plus, Dr. Mark Sykes of the Planetary Science Institute. Read more»

An interview with Ramon Valadez, chairman of the Pima County Board of Supervisors. Also, a conversation with Dr. William Hartmann, co-founder of the Tucson-based Planetary Science Institute and recent recipient of the Shoemaker Distinguished Lunar Scientist Award. Read more»

The Monday Political Face-Off features commentators Bruce Ash, a Republican National Committeeman, and Democrat Paul Eckerstrom. Also, we talked about the future of Davis-Monthan Air Force Base with General John Regni, tech adviser for national security for the Arizona Commerce Authority. Plus, Dr. Mark V. Sykes, leader of the Tucson-based Planetary Science Institute. Read more»

Former state Sen. Frank Antenori talked about his effort to derail Arizona's Medicaid expansion. Also, Kathy Erchull, President of the Tucson Association of Realtors, and Dr. Mark Sykes, head of the Tucson-based Planetary Science Institute. Read more»

Interviews with former Tucson Mayor George Miller on why he believes the proposed city budget is a big mistake. Also, Keith Rosenblum, Buckmaster Mexico contributor, talks about Americans traveling in Sonora. Next, state Rep. Andrea Dalessandro of Sahuarita has the latest from the state Capitol, and, Dr. Mark V. Sykes, head of Tucson-based Planetary Science Institute, talks about the challenges of a trip to Mars. Read more»

An interview with the Goldwater Institute's Clint Bolick, co-author with Jeb Bush of "Immigration Wars: Forging an American Solution." Also, Mark V. Sykes, head of the Tucson-based Planetary Science Institute, and attorney Don Loose on the top legal stories of the month. Read more»

A conversation with former Tucson Mayor Bob Walkup. Also, Michael C. Flowers, certified public accountant, with last-minute tax tips. Plus, Dr. Mark V. Sykes, head of the Tucson-based Planetary Science Institute. Read more» 1

Terry Bracy, Buckmaster Washington, D.C. contributor, leads off the show with an update from the capital. Then, financial planner Shelly Fishman has the Tuesday Money Maker report. Also, Mark V. Sykes, head of the Tucson-based Planetary Science Institute, and Margaret Regan, Tucson Weekly Arts Editor. Read more»

In honor of Heart Health Month, we talked with Gordon Ewy, M.D., director of the University of Arizona's Sarver Heart Center. Also, Herschel Kreloff and Alisha Nichols of the Civic Orchestra of Tucson, and Mark Sykes, head of Tucson-based Planetary Science Institute. Read more»

An interview with Arizona Attorney General Tom Horne, plus Sandra Watson, the new president of the Arizona Commerce Authority, and Dr. Mark Sykes, head of the Tucson-based Planetary Science Institute. Read more»

Defense attorney Michael Piccarreta talked about efforts to overturn Louis Taylor's conviction for the Pioneer Hotel fire in downtown Tucson, plus: Shelly Fishman with the Tuesday MoneyMaker Report, Blog For Arizona's David Safier, and Mark Sykes, head of the Tucson-based Planetary Science Institute. Read more»

An interview with LD 10 candidate Bruce Wheeler (D). Next, Dr. David Levy discusses the 2012 Great Orionid meteor shower. Also, Dr. James Boulay, co-founder of the Veterinary Specialty Center of Tucson Read more»

Interviews with Pima County Supervisor Richard Elias, plus LD 2 candidate Andrea Dalessandro, UA Prof. Albrecht Classen — who discusses his new book on the early history of our region, and Dr. Mark Sykes, head of the Planetary Science Institute. Read more»

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