Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of astronomy and space exploration. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast
168 Available Episodes (168 Total)Average duration: 00:01:19
Feb 23, 2015
Bacteria Got an Early Fix on Nitrogen
00:02:13
New evidence points to the evolution of the ability for bacteria to grab nitrogen from the atmosphere some 3.2 billion years ago, about 1.2 billion years earlier than thought—with implications for finding extraterrestrial life. Lee Billings reports
Feb 17, 2015
Stars Reveal Hidden Galaxy
00:01:22
A dwarf galaxy near the Milky Way may consist of more dark matter than regular matter.* Clara Moskowitz reports
Feb 10, 2015
Space Science Budget Gets Small Lift
00:01:42
NASA has to deal with the unexpected financial consequences of robotic missions that just keep going. Lee Billings reports
Feb 02, 2015
5 Rocky Planets Found in Ancient, Distant Solar System
00:01:40
The oldest group of terrestrial worlds now known formed some 11.2 billion years ago, more than six billion years before our sun and planets. Clara Moskowitz reports
Jan 26, 2015
Long-Lost Lander Found on Mars
00:01:37
New images from a NASA orbiter reveal Beagle 2’s final resting place. Lee Billings reports
Jan 16, 2015
Look Up to See Latest Comet Lovejoy
00:01:25
Australian amateur astronomer Terry Lovejoy’s latest comet find is naked-eye visible in the southeast sky until January 24. Clara Moskowitz reports
Dec 31, 2014
SpaceX Will Try Launch, Then Soft-Land Returning Booster
00:01:31
The company hopes to send up a Falcon 9 rocket and then safely land the discarded first stage for reuse. Lee Billings reports
Dec 10, 2014
Humans on Mars Soonish Says NASA Bigwig
00:01:37
John Grunsfeld, the former astronaut who now heads NASA’s Science Mission Directorate, thinks that traveling light could get people to Mars by the 2040s
Dec 01, 2014
UV Light Colors Great Red Spot
00:01:37
Jupiter's Great Red Spot is its particular crimson shade because of the interaction of ultraviolet light and specific chemical compounds in the gas giant's atmosphere. Lee Billings reports
Nov 21, 2014
It’s Hard to Dust in Space
00:01:37
Over the summer researchers identified seven specks of dust returned to Earth by the Stardust spacecraft. But determining their true origin has been difficult. Clara Moskowitz reports
Feb 23 | 00:02:13
Bacteria Got an Early Fix on Nitrogen
Feb 17 | 00:01:22
Stars Reveal Hidden Galaxy
Feb 10 | 00:01:42
Space Science Budget Gets Small Lift
Feb 02 | 00:01:40
5 Rocky Planets Found in Ancient, Distant Solar System
Jan 26 | 00:01:37
Long-Lost Lander Found on Mars
Jan 16 | 00:01:25
Look Up to See Latest Comet Lovejoy
Dec 31 | 00:01:31
SpaceX Will Try Launch, Then Soft-Land Returning Booster
Dec 10 | 00:01:37
Humans on Mars Soonish Says NASA Bigwig
Dec 01 | 00:01:37
UV Light Colors Great Red Spot
Nov 21 | 00:01:37
It’s Hard to Dust in Space
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