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.
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