Space Policy Edition: SpaceX's Starship vs. t...

NASA's Curiosity rover has been exploring Mars' Gale Crater for over a decade. A new analysis of samples collected there reveals something remarkable: more than 20 different organic molecules preserved in ancient rock, including the first detection of a nitrogen-bearing heterocyc ...  Show more

Author, poet, and science communicator Diane Ackerman is our guest. Her wonderful collection of poems, with one devoted to each of the worlds in our Solar System, was first published in 1976. Carl Sagan said she had produced, “...a stunning book of poetry in The Planets. The work ...  Show more

Last March, SpaceX launched a Falcon 9 rocket into space from the Vandenberg Space Force Base in California. It carried more than 40 payloads on board, including a satellite called MethaneSAT, which was designed to track methane emissions around the globe. Cutting methane emissio ...  Show more

Nasa's OSIRIS-REx mission to collect a sample from an asteroid has been a great success. Asteroid Bennu's sample yields a watery pool of history, thanks to an international team of scientists including the London Natural History Museum's Sarah Russell. Also, in a week of tumultuo ...  Show more

Space junk. It might sound like an out-of-this-world problem that we don’t need to worry about here on Earth – but is it? As we send more and more metal in the form of satellites up into space, scientists are warning it is becoming more of a risk both here – and up there. We dig ...  Show more

Bloomberg's Caroline Hyde and Ed Ludlow look at the move down in technology stocks as the market braces for Nvidia's earnings on Wednesday. Plus Elon Musk's SpaceX has been tapped in to bring NASA's stranded astronauts home from the ISS after Boeing's capsule failings. And Telegr ...  Show more