Suggested Searches

Gravity Assist

NASA’s interplanetary talk show, hosted by former Chief Scientist Jim Green, introduces you to space professionals working to take exploration into the future.

Gravity Assist: Season 5 Trailer – What’s Your Gravity Assist?
Season 4Episode 2Apr 17, 2020

Season 4, Episode 2: Life on the Rocks, with Heather Graham

To study the history of life on Earth and look for it beyond our planet, scientists in the field of astrobiology look for signs called “biosignatures.” NASA Goddard researcher Heather Graham discusses some of the oldest evidence of life on Earth and what scientists are searching for when they look for biosignatures in ancient rocks. By looking at w

Season 4Episode 1Apr 17, 2020

Season 4, Episode 1: What is Astrobiology? With Mary Voytek

How did life originate and evolve here on Earth? What form could life take elsewhere – and where else could life survive beyond our planet? These are questions that scientists called astrobiologists tackle every day. By using space telescopes, doing laboratory experiments and studying extreme environments on Earth, astrobiologists hope to uncover n

Season 4Apr 15, 2020

Introducing Gravity Assist Season 4: Searching for Life

Is there life beyond Earth? How did life get started on Earth anyway? This season of NASA’s Gravity Assist podcast is about the origins of life on Earth and the search for life elsewhere.[scald=338003:full_width][scald=338003:full_width]

Season 3Episode 15Dec 19, 2019

Season 3, Episode 15 — Astronauts Go Back to Moon School, with Kelsey

Besides learning how to live in space, astronauts training for Artemis missions to the Moon will need to become experts in geology, so they know what to look for when they're scoping out rocks and other features. Kelsey Young of NASA's Goddard Space Flight Center describes her experience of teaching astronauts through analog sites, places on Earth