Season Two, Episode 4: Deflecting Disast...

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. 

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

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. 

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

If an asteroid were hurling through space, making a beeline straight to Earth, how would humans prevent it from doing what it did to the dinosaurs? Would we bomb it? Would we shoot lasers at it like a scene from Hollywood's latest sci-fi flick? Well, the folks at NASA have design ... Show More

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

Using lasers or asteroids to move our planet away from the sun may sound extreme, but a few scientists have come up with plans to do just that. The sun’s power is slowly increasing. Over the next billion years or so, the extra energy is going to boil off the oceans and make the e ... Show More

Last year’s NASA mission proved it was possible to knock an incoming near-Earth object off course. But that creates debris—which might also be a threat. Read this story here. Learn more about your ad choices. Visit podcastchoices.com/adchoices 

<b>SpaceTime Series 26 Episode 27</b> *The asteroid that almost swallowed a spacecraft It sounds like something out of a 1950s sci-fi movie, but it seems that the asteroid Bennu almost swallowed NASA’s Osiris-Rex spacecraft during its sample collection maneuver. <b>*59 new exopla ... Show More