Small Steps, Giant Leaps

Small Steps, Giant Leaps

NASA’s technical workforce put boots on the Moon, tire tracks on Mars, and the first reusable spacecraft in orbit around the Earth. Learn what’s next as they build missions that redefine the future with amazing discoveries and remarkable innovations.

Episodes

December 17, 2025 13 mins
A solar sail uses light particles from the Sun to move through space without needing a single drop of fuel. NASA is demonstrating the lightweight technology that could open doors to low-cost missions to deep space.
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Dr. Jennifer Edmunson explains what it takes to simulate Moon and Mars dust on Earth, and lessons learned from preparing to build habitats on other worlds.
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November 19, 2025 20 mins
There’s a program at NASA that taps into the power of the public to solve some of the toughest problems in space exploration. It’s called Centennial Challenges, a prize competition that has awarded more than $24 million to hundreds of people ranging from academics, startup founders, small business owners, and independent inventors from across the U.S. and 86 countries.
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September 18, 2025 22 mins
On September 17, 2025, NASA announced that the number of exoplanets, planets outside our solar system, tracked by NASA has reached 6,000. In the three decades since the groundbreaking detection of exoplanet 51 Pegasi b, the first confirmed planet orbiting a Sun-like star, astronomers have concluded that exotic worlds are everywhere.
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September 3, 2025 19 mins
A steel vacuum chamber 50 stories deep at NASA’s Glenn Research Center lets researchers simulate near-weightlessness by letting test hardware freefall for 5.18 seconds.
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August 20, 2025 26 mins
From black holes to star clusters, scientists are turning space data into sound with a process called sonification. Dr. Kimberly Arcand, visual scientist with the Harvard-Smithsonian Center for Astrophysics, joins us to explore how data sonification lets more people experience the cosmos and give researchers a new way to interpret science one note at a time.
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August 6, 2025 19 mins
StarBurst, a satellite the size of a washing machine, aims to detect the initial blast of gamma-rays, the most powerful bursts of energy in the universe. These huge explosions can occur when dense neutron stars collide, forging metals like gold and platinum. These metals are some of the building blocks of planets — like Earth.
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July 23, 2025 23 mins
The Hubble Space Telescope has changed humanity’s understanding of the universe. Now in orbit for 35 years, it remains a remarkable feat of engineering.
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July 9, 2025 11 mins
Fighting wildland fires by air at night is especially hazardous. NASA’s ACERO Project aims to make firefighting safer, day or night, with drones and smarter airspace management.
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IXPE, or the Infrared X-ray Polarimetry Explorer, is NASA’s first space telescope dedicated to studying X-ray polarization from extreme objects like black holes and quasars.
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June 11, 2025 33 mins
Big or small, we all take risks nearly every day. But how does NASA manage it? Dr. Mary Skow, NASA’s first agency risk management officer, explains.
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NASA’s Air Traffic Management-eXploration Project aims to accommodate the growing demand of traditional and emerging aircraft that share the friendly skies. 
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NASA's SPHEREx mission will map 450 million galaxies like we’ve never seen before.
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April 30, 2025 15 mins
What can the auroras tell us about our planet’s relationship with the Sun? NASA’s EZIE mission looks into it.
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April 16, 2025 16 mins
NASA’s design labs are where engineers develop concepts for missions and scientific instruments.
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April 4, 2025 18 mins
Flying taxis? NASA is working on it.
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Originally a fashion designer, Paula Cain is a NASA thermal blanket technician, working to protect spacecraft from the extremes of space.
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NASA engineers turn dreams into reality, solving complex challenges to push exploration forward. From landing rovers on Mars to advancing deep space missions, their ingenuity makes it all possible. This episode with Chief Engineer Joe Pellicciotti and Deputy Chief Engineer Katherine Van Hooser celebrates the innovation, dedication, and impact of NASA’s engineering community.
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Ever wondered what it takes to capture NASA’s most breathtaking moments? From rocket launches to behind-the-scenes astronaut training, Bill Ingalls, senior contract photographer for NASA Headquarters has spent decades framing history through his lens. In this episode, we dive into his journey, how he and his team prepare for assignments, and the importance of visual storytelling.
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February 5, 2025 27 mins
What if we could get rid of lengthy waitlists for organ transplants? Well, imagine 3-D printing a kidney from your own stem cells. That would reduce the chances your body rejects it. That’s the sort of groundbreaking medical research astronauts are conducting aboard the International Space Station. Other research includes understanding the stress spaceflight places on not just the body, but also the mind. There’s a plethora of huma...
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