Science Friday Initiative
Science Friday: Contaminating Planets
What steps should planetary explorers take to prevent contaminating other planets with life from Earth?
Science Friday Initiative
Science Friday: A Trojan Asteroid Keeps Earth Company
Listen as scientist discuss that the moon is not the only body in space following Earth's path. Learn how planet Earth has a new found neighbor, an asteroid that shares our orbit around the sun. [17:30]
Science Friday Initiative
Science Friday: Tracking Near Earth Objects
The US spends $4 million each year to search for comets or asteroids that could threaten the planet. That's not enough to get the job done, according to a new report from the National Research Council.
Science Friday Initiative
Science Friday: Is a Moon Necessary for a Planet to Support Life?
Researchers are studying our moon's effects on the Earth to guide their search for habitable worlds elsewhere.
Science Friday Initiative
Science Friday: Japan Earthquake May Have Changed Earth's Axis
Changes on the surface can change the way the planet spins.
Science Friday Initiative
Science Friday: Kepler Telescope Narrows Hunt for Earth's Twin
NASA's Kepler telescope has discovered the first Earth-sized exoplanets, and another which orbits its star in the "Goldilocks zone," where liquid water could exist.
Science Friday Initiative
Science Friday: Colliding Planets (Don't Panic)
New research finds a small -- but present -- chance of a collision between Earth and one of its planetary neighbors in the next few billion years.
Science Friday Initiative
Science Friday: The World Without Us
What would the world be like if humans were to disappear from the planet?
Science Friday Initiative
Science Friday: A Community of Ancient Bacteria
We'll talk with researcher studying a community of bacteria that has been isolated from the surface for millions of years. They describe some of the biochemical processes that have allowed the bacteria to survive below glacier ice, and...