ASU Astrobiologist Sara Imari Walker

We Live on a Really Amazing Planet

Sara Imari Walker is a theoretical physicist and astrobiologist who researches the origins of life, physics of life, and artificial life. Before joining the Zócalo/Experience ASU event “How Should We Prepare for Aliens to Arrive on Earth?,” she joined us in the green room to talk about the physics of time, seeing an active volcano, and her fascination with Saturn’s largest moon, Titan.

Why Do We Want to Find Aliens? | Zocalo Public Square • Arizona State University • Smithsonian

Why Do We Want to Find Aliens?

Humanity’s Fascination with ‘Little Green Men’ Dares Us to Imagine What’s Out There

The most memorable taxi ride of my life occurred when I stepped into a cab driven by a man named John, back in 2016. We fell into a conversation about …