What do we know about the planets outside our solar system? NASA planet hunters Jessie Christiansen and Knicole Colon take us beyond...into the exciting world of exoplanets.
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
Aug 2021
Lucy in the Sky With Asteroids
How did the planets form? How did life happen? Where did Earth’s water come from? To answer questions like these, scientists used to go big—looking at planets, dwarf planets, and moons—but now small is the new big. Technology is zooming in on the pint-size stuff—asteroids, comets ... Show More
30m 51s
Nov 2023
What are planets made of?
We spend a lot of time on top of our planet, but we don’t spend much time inside it. So it makes sense you might wonder what our planet is made of, deep deep down. Is it more rocks? Is it lava? Is it a gooey caramel center? And what about the other planets, like Mars and Jupiter? ... Show More
6m 7s