The second part of Jason and the Argonauts’ journey to Colchis features a boxing match with King Amycus and the defeat of Amycus's army. But what happens when the Argonauts encounter Phineas the seer? Listen to an audio retelling of the...

Space and dogs—two great ways to get young listeners interested in a story! A two-part audiobook features a tale about a dog named Bonzo and his astronomical adventure through outer-space.

Ian Tattersall, author of Masters of the Planet, talks about the origin of humans, and how Homo sapiens became a dominant species. Aired Apr. 6, 2012 [38:44 min]

The book club reviews Dava Sobel's 2005 homage to the solar system.

The Food That Built America podcast consists of 12 episodes. It takes bold visionaries risking everything to create some of the most recognizable brands on the planet. The Food That Built America, based on the hit documentary series from...

Ecologist Bryan Pijanowski hopes to create a soundscape of every ecosystem on the planet.

A Florida airport recently had to close its main runway to repaint directional signs, due to the changing location of magnetic north. We'll talk about the planet's magnetic field.

Soil may be good for growing things in -- but it's also an important player in climate change. We'll talk with a soil scientist about the importance of fertile soil to the planet's environmental health.

What would the world be like if humans were to disappear from the planet?

A look at the lives of one of the planet's ancient inhabitants - the horseshoe crab.

In her new book of photography, The Oldest Living Things in the World, artist Rachel Sussman documents the oldest continuously living organisms on the planet.

Planet hunters say they've identified the first planet orbiting a distant star with conditions right to sustain liquid water and, perhaps, life.

Climate change is changing the world on every continent, and is affecting yields of staple crops like wheat and corn. With a growing population and an increasing demand for food, the future looks unsettling. Aired Apr. 18, 2014 [21:40 min]

Even after astronomers voted to remove Pluto from the list of planets in our solar system in 2006, the controversy over what should be called a planet continues. Listen to this episode to find out why this is still an issue.

Dwarf planet 2012 VP-113 takes approximately 4,000 years to orbit the sun once. [11 mins. 55 secs.]

Astronomers weigh in on how to keep the planet safe from near-Earth objects.

We'll talk with author Michael Specter about his book 'Denialism: How Irrational Thinking Hinders Scientific Progress, Harms the Planet, and Threatens Our Lives.

We'll hear about new work in the field of discovering exosolar planets -- including research that used the Hubble Space Telescope to take optical images of a planet orbiting a star some 25 light years away. [12 mins. 29]

Climate change may transform how and where farmers grow the food to feed rising numbers of mouths. [34 mins. 24]

Arizona's Lowell Observatory, famous for spotting 'Planet X' aka Pluto, hunts for exoplanets today.

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.

Researchers are studying our moon's effects on the Earth to guide their search for habitable worlds elsewhere.

Find out about the journey and progress of the New Horizons Mission to Pluto.

Scientists using the Hubble Space Telescope have been able to detect the chemical signature of methane in the atmosphere of a planet orbiting a star 63 light-years away.