What the discovery of exoplanets reveals abou...

Trigger warning - this episode contains mention of suicide and severe depression.For years, the warning has been: smartphones are destroying a generation. But developmental psychologist Candice Odgers says that decades of data on teens tells a different story — violence, alcohol ...  Show more

Can a five-minute walk change how you feel all day? Exercise scientist Keith Diaz shows how your body is built for the kind of movement that modern life has quietly erased — and suggests something refreshingly doable: making time for small doses of movement sprinkled throughout t ...  Show more

What are the planets outside our solar system like? Astrophysicist and TED Fellow Jessie Christiansen has helped find thousands of them (and counting), and the variety is more wonderful and wild than you might imagine. She shares details on the trends emerging from the data -- in ...  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

If television shows and movies are any indication, we humans spend a lot of our time subconsciously preparing for UFOs carrying maleficent aliens to descend on Earth. But should we rush to create an intergalactic battle plan? In actuality, finding otherworldly life won’t be so ...

We now know that the universe is vast and filled with billions of stars. But where could we find life? It's such a big place to search, so why not start with our own solar system. What are we doing to search for life here? Natasha Carr, a PhD candidate studying physics and space ...  Show more