Mar 2023

Secrets of the Mars Rovers – S4E12

In this season 4 finale, Gentry Lee and Rob Manning reveal how surprises, hidden flaws, and uncertainties have always been a part of rovers and the exploration of Mars.

51m 12s

Jan 2023

Digging In: When Rovers Get Dirt on Mars - S4E11

Aaron Yazzie and others explain how, by scooping dirt and drilling rocks, rovers are digging deeper into the mysteries of Mars.

53m 46s

Nov 2022

The Power of the Rovers – S4E10

How does a rover keep driving on a planet with no gas stations? Shonte Tucker, Sabah Bux and Rob Manning power us through the ways Mars rovers keep going.

41m 31s

Sep 2023

Return of OREx: Part II

Curation experts at the Johnson Space Center discuss what happens to the asteroid samples after OSIRIS-REx lands in Utah on Sunday, Sept. 24. HWHAP Episode 306.

54m 19s

Feb 2024

Ep. 708: What Goes Into Sample Return Missions From Asteroids & Comets?

Astronomy Cast Ep. 708: What Goes Into Sample Return Missions From Asteroids & Comets? by Fraser Cain & Dr. Pamela Gay Streamed live Feb 12, 2024. Last week we talked about sample return missions from the Moon and Mars, but scientists have retrieved samples from other objects in ... Show More

36m 25s

Jul 2023

Small Steps, Giant Leaps: Episode 113: OSIRIS-REx Sample Return Preparation

OSIRIS-REx Mission Systems Engineer Ron Mink discusses preparation for the return of the United States' first asteroid sample from space to Earth.

17m 21s

Jan 2024

Return of OREx: Part III

Planetary scientists and OSIRIS-REx co-investigators at NASA's Johnson Space Center walk us through the processes and emotions of working in the lab with asteroid Bennu’s precious samples. HWHAP Episode 319.

1h 9m

Jan 2022

Finding asteroids before they find us

Scientists are constantly searching for asteroids that could crash into Earth. But if they find one, will they be able to do anything about it? NASA has launched a spaceship that will slam into an asteroid to find out. For more, go to http://vox.com/unexplainable It’s a great pla ... Show More

30m 32s

Feb 2023

We booped an asteroid

Last fall, a NASA spacecraft slammed into an asteroid to test a way to avert a disaster on Earth. So are we safe now? For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more about the topics on our show. Also, email us! unexplainabl ... Show More

22m 24s

Nov 2020

ELI5 Asteroids - why NASA wants to catch an asteroid?

Explain asteroids vs comets vs meteoroids? An asteroid sample from the asteroid Bennu is now on its way back to earth (due in 2023) - why does NASA want to catch an asteroid and send samples back to earth? Did a meteorite kill the dinosaurs? ... We explain like i'm five! Than ... Show More

9m 8s

Season Two, Episode 5: Catch a Falling S...