
Dwarf Planet Ceres Thrills as a Dying Visitor Closes In
Ceres is the queen of the asteroid belt. Her first Earthly visitor is nearing its last days in spectacular style. Dawn Mission Director and Chief Engineer Marc Rayman returns with stunning images ta...
4 Jul 201832min

It’s Asteroid Week with NASA’s Planetary Defense Officer
The dinosaurs regret their lack of a space program. 200 million years later, humans are gearing up to defend themselves from a species-ending rock. The many challenges involved are addressed in a ne...
27 Jun 201840min

Kathryn Sullivan, Space Dentistry and More at the International Space Development Conference
Freeman Dyson wasn’t the only space star at the ISDC. Mat talks with former astronaut and NOAA Administrator Kathryn Sullivan, leaders of the Cassini mission, innovative students and an expert on den...
20 Jun 201845min

A Conversation with Freeman Dyson
There’s so much more to Freeman Dyson than the Dyson Sphere. The mathematician, physicist, futurist and author is one of the greatest and most original minds of our era. He has much to say to Mat Ka...
13 Jun 201839min

It’s Rocket Science: Testing PlanetVac in the Mojave Desert
Join Mat Kaplan in California’s Mojave Desert for special coverage of not one but two rocket flights and a real world test of PlanetVac, the innovative, radically simple way to collect surface samples...
6 Jun 201848min

Space Policy Edition: Space Policy Directive 2—This Time it's Commercial
President Trump just signed a new space policy directive targeting the regulations surrounding commercial spaceflight. Casey Dreier, Jason Davis and Mat Kaplan dive into the implications of the new di...
1 Jun 20181h 11min

A Sacred Place: The National Air and Space Museum with Ellen Stofan
Planetary geologist Ellen Stofan has just become Director of the most popular museum in the United States. The NASM protects and shares the greatest collection of space and aviation treasures on Eart...
30 Mai 201835min

Chasing New Horizons to Pluto with Alan Stern and David Grinspoon
The New Horizons mission was a triumph, revealing Pluto as an utterly unique and beautiful world. But the mission first had to survive challenge after challenge, fighting to be developed, meeting a ne...
23 Mai 201854min





















