It takes a lot of energy and technology to leave terra firma. But why rocket into space when...
51:07
It takes a lot of energy and technology to leave terra firma. But why rocket into space when...
51:07
"The moon or bust” is now officially bust. No private company was able to meet the Lunar X Prize...
51:39
ENCORE Whether they swim, slither, jump, or fly, animal locomotion is more than just an urge to...
50:31
Pluto, we hardly knew ye. Well, not anymore! Until recently, Pluto and Mars were respectively...
51:44
ENCORE It’s one of the most bizarre biological experiments ever. In the 18th century, a...
50:31
There’s evidence for a subsurface lake on Mars, and scientists are excitedly using the “h” word....
50:31
It’s not a bird or a plane, and probably not an alien spaceship, although the jury’s still...
52:03
(repeat) "The moon or bust” is now officially bust. No private company was able to meet the...
51:11
(repeat) There’s evidence for a subsurface lake on Mars, and scientists are excitedly using the...
51:28
Planetary Society All-Stars Review 2020 Space Milestones
Chief Scientist Bruce Betts, Editorial Director Jason Davis, Chief Advocate and Senior Space...
01:11:42
How to Build a Starship: The 2019 Starship Congress
The biannual Starship Congress attracts starry-eyed believers in humankind’s destiny among the...
01:07:45
How to Build a Starship: The 2019 Starship Congress
The biannual Starship Congress attracts starry-eyed believers in humankind’s destiny among the...
01:07:45
NASA’s Home for the Bleeding Edge: The 2019 NIAC Symposium
The NASA Innovative Advanced Concepts program gathers its “fellows” each year to share what...
01:17:57
Finding Wonder and Meaning in a Book by Carl Sagan’s Daughter
Bill Nye says of Sasha Sagan’s new book, “Sagan finds the meaning of life everywhere—with her...
50:37
Astronaut Stephanie Wilson Might Walk on the Moon
Engineer and astronaut Stephanie Wilson was a toddler when Neil Armstrong and Buzz Aldrin visited...
49:13
Solar Cruiser: A Giant Sail Prepares for Space
It is many times larger than any previous solar sail, and it will pave the way for even bigger...
50:01
Planetary Radio stories with Mat Kaplan
New host Sarah Al-Ahmed bids a fond farewell to Mat Kaplan, Planetary Radio’s former host, with a...
01:04:10
Alchemical Solutions - Sevan Bomar - Truth Connections Radio - 05-03-14
James Evans Bomar III best known as "Sevan" is one of the most diverse and enigmatic speakers of...
03:06:55
There are plenty of liquid rocket fuels to choose from, all with pros and cons. We talk about...
01:19:13
Episode 4 - Life Cycle of a Star
In today's episode I look at the life cycle of a star and the different phases it can go through.
13:41