Season Two, Episode 3: Bracing for a Cra...

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. 

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

Des milliers d'astéroïdes évoluent dans l'espace. Même si les scientifiques écartent tout danger réel de collision avec la Terre, ils préfèrent tout de même prendre leurs précautions. C'est pourquoi la NASA vient de lancer une mission dont le but est de dévier la trajectoire d'un ... Show More

Friday, April 13th 2029 – mark it in your calendar. That’s the day an asteroid the size of an aircraft carrier will fly past Earth, closer than some satellites. Don’t worry – it will miss, but it’ll will pass so close to Earth that it will be visible to the naked eye of 2 billion ... Show More

Is there a killer asteroid with Earth’s name on it? The dinosaurs ruled for many millions of years before coming to their violent end. Will humanity prevail or are we doomed to succumb like the dinosaurs? It’s a question that will keep you up at night. No wonder our listeners Zar ... Show More

A new era for humankind - Nasa experiment smashes asteroid. 

Astronomy Cast Ep. 591: What Are We Gonna Do With All That Space Junk? by Fraser Cain & Dr. Pamela Gay Remember the good old days when there were only a few thousand living and dead satellites? Well, those days are long over. We're now entering an era where there will be tens of ... Show More

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

This week, the US became the first country to ban anti-satellite missile tests, in an effort to protect Earth’s orbit from dangerous space debris. There could be millions of pieces of old satellites and spent rockets zooming around above our atmosphere, at speeds where collisions ... Show More

The asteroid is coming!