NASA astronaut and Expedition 59 Flight Engineer Christina Koch works on U.S. spacesuits inside the Quest airlock.
Double Duty
Double Duty

Skytalk is hosted by WHYY's Dave Heller. Each week he discusses the latest news in astronomy with Dr. Derrick H. Pitts of the Franklin Institute.

All Episodes

NASA astronaut and Expedition 59 Flight Engineer Christina Koch works on U.S. spacesuits inside the Quest airlock.

Double Duty

NASA Astronaut Christina Koch’s maiden voyage in space will extend for almost double the scheduled duration. She is now set to stay ...

Air Date: April 20, 2019

Listen 04:53
Courtesy of NASA

Step by Step

Next Friday, March 29th an historic spacewalk will take place; Anne McClain and Christina Koch will step outside International Space Stat ...

Air Date: March 23, 2019

Listen 07:24
Image: Jess Wood

Some Like it Dry

The Atacama desert in Chile is one of the most arid places on the planet – averaging less than one inch of rainfall per year! High ...

Air Date: March 8, 2019

Listen 05:42
Image: NASA, ESA, and D. Coe, J. Anderson, and R. van der Marel (STScI)

Speed Kills

The more scientists learn about black holes, the more the findings confirm the warning: Speed kills. The black hole ASASSN-14li lie ...

Air Date: January 12, 2019

Listen 07:49
Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Ultima Thule

NASA’s New Horizons spacecraft continues its sojourn through the outer reaches of our solar system. For the next 20 months, it will ...

Air Date: January 5, 2019

Listen 07:42
More from Skytalk