Space Exploration

Earth’s Tilt

October 11, 2013

A listener asks how the earth's tilt is measured.

January 8, 2013

A newly discovered comet will be visible from earth this fall.

December 21, 2012

The world is not ending today. Find out why in this Science Update encore presentation.

December 7, 2012

ARE YOU WREN ENOUGH? Why fairy wrens require their babies to show ID, how coral reefs ask for help, …

July 6, 2012

OUR SOLAR SYSTEM - Scientists discover organic carbon in meteorites from Mars and take a new look at …

June 12, 2012

A listener asks: How hot is the surface of the sun?

June 5, 2012

Researchers have discovered organic carbon in meteorites from Mars.

May 24, 2012

The asteroid belt between Mars and Jupiter contains an embryonic planet in arrested development.

May 10, 2012

Under some circumstances, planets could be thrown out of the galaxy at tremendous speed.

April 27, 2012

Why some planets are on the run. How to harpoon a comet. And counting penguins from space.

April 4, 2012

NASA scientists are testing a harpoon that could bring back samples from comets.

April 2, 2012

NASA scientists are testing a harpoon that could bring back samples from comets.