From dusty deserts to icy mountain tops, NASA experts visit incredible places along their career path. But what about our explorers who take their work off the Earth? Join astronaut Shannon Walker on a look back at her excursions into space.
Aug 4
Why Webb's Earliest Galaxies Are Blowing Scientists' Minds
With the James Webb Space Telescope, we are seeing the early universe like never before. Webb produces beautiful images and detailed scientific data that leave astronomers in awe. In this episode, Mic Bagley, a NASA scientist on the Webb team, guides us through new discoveries ma ... Show More
27m 54s
Jun 24
How Lying In Bed For 60 Days Helps Astronauts
In space, microgravity changes the body. Body fluids shift from the legs toward the head, the back of our eyes flatten, we lose muscle strength, our bones lose some of their density, and even the amount of blood pumped by the heart with each beat drops. To learn more about how mi ... Show More
27m 17s
Jun 4
Cosmic Dawn with Nobel Laureate John Mather
The James Webb Space Telescope is doing something astronomers dreamed about for decades: peering into our universe’s early past, a period known as cosmic dawn. A new NASA documentary—also called Cosmic Dawn—chronicles the inside story of Webb’s design, construction, and launch. J ... Show More
18m 47s
Oct 2017
Astronaut Scott Kelly on Working in Space
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
18m 24s