There’s no single ‘smoking gun’ for life beyond Earth. Microbiologist Peter Girguis explains the subtle fingerprints scientists hunt for—and why finding them on Mars could change everything.For more, check out the <a href="https://www.wgbh.org/podcasts/particles-of-thought/extended-interview-extremophiles-the-deep-sea-and-alien-life-with-peter-girguis">extended interview</a> with Peter Girguis.Learn more about <a href="https://www.pbs.org/wgbh/nova/">NOVA</a> and subscribe to our <a href="https://www.youtube.com/channel/UCjHz5SVHeMT0AViCYZvsGDA">YouTube </a>channel.

There’s no single ‘smoking gun’ for life beyond Earth. Microbiologist Peter Girguis explains the subtle fingerprints scientists hunt for—and why finding them on Mars could change everything. For more, check out the extended interview with Peter Girguis. Learn more about NOVA and subscribe to our YouTube channel.

There’s no single ‘smoking gun’ for life beyond Earth. Microbiologist Peter Girguis explains the subtle fingerprints scientists hunt for—and why finding them on Mars could change everything.For more, check out the <a href="https://www.wgbh.org/podcasts/particles-of-thought/extended-interview-extremophiles-the-deep-sea-and-alien-life-with-peter-girguis" rel="noopener noreferrer">extended interview</a> with Peter Girguis.Learn more about <a href="https://www.pbs.org/wgbh/nova/" rel="noopener noreferrer">NOVA</a> and subscribe to our <a href="https://www.youtube.com/channel/UCjHz5SVHeMT0AViCYZvsGDA" rel="noopener noreferrer">YouTube </a>channel.&nbsp;

How To Recognize Alien Life | Peter Girguis

Particles of Thought from the producers of NOVA unleashes the universe's biggest questions through the lens of astrophysicist Hakeem Oluseyi and the world's most brilliant scientific minds. Should we resurrect extinct species? Are we blind to a fundamental force of nature? What secrets do ancient fossils reveal about humanity's destiny? Across 10 mind-bending episodes, each conversation dives deep into the discoveries that shatter assumptions, spark wonder, and completely transform how you understand reality.  Learn more about <a href="https://www.pbs.org/wgbh/nova/">NOVA</a> and subscribe to our <a href="https://www.youtube.com/channel/UCjHz5SVHeMT0AViCYZvsGDA">YouTube </a>channel.

Science

Particles of Thought from the producers of NOVA unleashes the universe's biggest questions through the lens of astrophysicist Hakeem Oluseyi and the world's most brilliant scientific minds. Should we resurrect extinct species? Are we blind to a fundamental force of nature? What secrets do ancient fossils reveal about humanity's destiny? Across 10 mind-bending episodes, each conversation dives deep into the discoveries that shatter assumptions, spark wonder, and completely transform how you understand reality. Learn more about NOVA and subscribe to our YouTube channel.

Particles of Thought from the producers of NOVA unleashes the universe's biggest questions through the lens of astrophysicist Hakeem Oluseyi and the world's most brilliant scientific minds. Should we resurrect extinct species? Are we blind to a fundamental force of nature? What secrets do ancient fossils reveal about humanity's destiny? Across 10 mind-bending episodes, each conversation dives deep into the discoveries that shatter assumptions, spark wonder, and completely transform how you understand reality.&nbsp; Learn more about <a href="https://www.pbs.org/wgbh/nova/" rel="noopener noreferrer">NOVA</a> and subscribe to our <a href="https://www.youtube.com/channel/UCjHz5SVHeMT0AViCYZvsGDA" rel="noopener noreferrer">YouTube </a>channel.&nbsp;

Share How To Recognize Alien Life | Peter Girguis

Sign up to save your podcasts

How To Recognize Alien Life | Peter Girguis

How To Recognize Alien Life | Peter Girguis

More shows like Particles of Thought

This American Life

Radiolab

Freakonomics Radio

Hidden Brain

On the Media

Open to Debate

The Gray Area with Sean Illing

Big Picture Science

Science Vs

Science Friday

Sidedoor

Twenty Thousand Hertz

Throughline

Short Wave

NOVA Presents