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We Asked a NASA Expert

Is Mars habitable? Do aliens exist? Will an asteroid ever hit Earth? NASA scientists and engineers answer all these burning questions and more. Have a question you’d like answered? Send it our way using #askNASA and you might just hear straight from a NASA expert. 

Most Recent Episodes

Where are the Moon Rocks? We Asked a NASA Scientist: Episode 49

Do Robots Help Humans in Space? We Asked a NASA Technologist: Episode 48

How Will We Extract Water on the Moon? We Asked a NASA Scientist: Episode 47

Is Climate Change the Same as Global Warming? We Asked a NASA Scientist: Episode 46

How Do Planets Get Their Names? We Asked a NASA Scientist: Episode 45

What’s Going on with the Hole in the Ozone Layer? We Asked a NASA Scientist: Episode 44

Where Does Space Begin? We Asked a NASA Scientist: Episode 43

How Did Life Begin on Earth? We Asked a NASA Scientist: Episode 42

Is NASA Mining Asteroids? We Asked a NASA Scientist: Episode 41

Are There Earthquakes on Other Planets? We Asked a NASA Scientist: Episode 40

Why Is Venus So Hot? We Asked a NASA Scientist: Episode 39

How Do We Know What Earth’s Climate was Like Long Ago? We Asked a NASA Scientist: Episode 38

How Do We Communicate with Spacecraft? We Asked a NASA Technologist: Episode 37

Is Polar Ice Melting? We Asked a NASA Scientist: Episode 36

Has COVID Affected Climate Change? We Asked a NASA Scientist: Episode 35

Is There Weather on the Moon? We Asked a NASA Scientist: Episode 34

Why is Sea Level Rising? We Asked a NASA Scientist: Episode 33

Why is Venus Called Earth’s Evil Twin? We Asked a NASA Scientist: Episode 32

Is There Life on Mars? We Asked a NASA Scientist: Episode 31

What Happens to Old Satellites? We Asked a NASA Technologist: Episode 30

Where Did Our Moon Come From? We Asked a NASA Scientist: Episode 29

Are Wildfires Getting Worse? We Asked a NASA Scientist: Episode 28

Is There Water on the Moon? We Asked a NASA Scientist: Episode 27

Are There Rivers and Lakes on Other Worlds? We Asked a NASA Scientist: Episode 26

Where Do Moons Come From? We Asked a NASA Scientist: Episode 25

Does Anything Orbit the Moon? We Asked a NASA Technologist: Episode 24

Why Does Climate Change Matter? We Asked a NASA Scientist: Episode 23

How Do Spacecraft Slow Down? We Asked a NASA Technologist: Episode 22

Are Hurricanes Getting Stronger? We Asked a NASA Scientist: Episode 21

Are There Rainbows on Mars? We Asked a NASA Scientist: Episode 20

Why Can You See the Moon During the Day? We Asked a NASA Scientist: Episode 19

Is There Water on Mars? We Asked a NASA Scientist: Episode 18

What’s it Like Landing on Mars? We Asked a NASA Scientist: Episode 17

What’s the Difference Between Asteroids, Comets and Meteors? We Asked a NASA Scientist: Episode 16

Is NASA Really Crashing a Spacecraft into an Asteroid? We Asked a NASA Scientist: Episode 15

Is NASA Aware of Any Earth-Threatening Asteroids? We Asked a NASA Scientist: Episode 14

When Was the Last Time an Asteroid Hit Earth? We Asked a NASA Scientist: Episode 13

How Did Perseverance Pick Its Landing Spot? We Asked a NASA Technologist: Episode 12

What if an Asteroid Were Going to Hit Earth? We Asked a NASA Scientist: Episode 11

Did Mars Ever Look Like Earth? We Asked a NASA Scientist: Episode 10

What are Lagrange Points? We Asked a NASA Scientist: Episode 9

What are the Trojan Asteroids? We Asked a NASA Scientist: Episode 8

Is There Oxygen on Mars? We Asked a NASA Technologist: Episode 7

Does NASA Know About All the Asteroids? We Asked a NASA Scientist: Episode 6

Do Aliens Exist? We Asked a NASA Scientists: Episode 5

Is There Weather on Mars? We Asked a NASA Technologist: Episode 4

Will an Asteroid Ever Hit Earth? We Asked a NASA Scientist: Episode 3

Is Mars Habitable? We Asked a NASA Scientist: Episode 2

Could Microbes Survive a Trip to Mars? We Asked a NASA Scientist: Episode 1

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Last Updated
Nov 17, 2023
Editor
Tricia Talbert