Field Notes: Astronaut Shannon Walker

In the space between stars, dark clouds of gas, dust, and ice mingle in a chemical laboratory unlike any on Earth. Ewine van Dishoeck, an astronomer who studies molecules in space and who helped develop an instrument aboard NASA’s James Webb Space Telescope, explains how Webb is ... Show More

NASA’s James Webb Space Telescope is hard at work answering our biggest questions about the birth of our universe and faraway galaxies. But some astronomers are pointing its powerful eyes much closer to home. In this episode, Caltech astronomer Katherine de Kleer explains how Web ... Show More

Some exoplanets—like a gas giant with rain made of glass and 5,000-mile-per-hour winds—sound like worlds dreamed up by a science fiction writer. But they’re real. From light-years away, scientists can uncover details about planets orbiting distant stars and even ask whether some ... Show More

NASA is looking to recruit the next class of astronauts, and applications are open! The manager of NASA astronaut selection discusses the selection process and how to apply to an out-of-this-world career. HWHAP Episode 325.5. 

What is the future of space flight? With a successful Nasa landing on Mars and more commercial space travel in development than ever before, astronautical engineers are taking us into a new age. From lift off to landing, rapid innovations are radically changing what's possible an ... Show More

Scott Kelly, a retired U.S. astronaut, spent 520 days in space over four missions. Working in outer space is a lot like working on earth, but with different challenges and in closer quarters. Kelly looks back on his 20 years of working for NASA, including being the commander of t ... Show More