Finding asteroids before they find us

When scientists write their own rules for life, how do they know what could go wrong before it’s too late? This is the final episode of our new three-part series, Life from Scratch. Guests: Kate Adamala, associate professor at the University of Minnesota; David Relman, professor ...  Afficher plus

Synthetic biologist Kate Adamala has been making major headlines as her lab creates cells that feed, divide, and grow — all from nonliving parts. It may sound like sci-fi, but Kate believes that these “not quite alive” cells are key to a renewable future. This is the second episo ...  Afficher plus

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 ...  Afficher plus

Earth is in a cosmic shooting gallery. With so many asteroids zipping around, how can we find them all before they find us? 

SpaceTime Series 26 Episode 27 *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. *59 new exopla ...  Afficher plus

If a big asteroid is heading our way, how does NASA prepare for the oncoming disaster?