Podcast
The North Star's companion, the origin of laughter, scientific mind-reading, an explanation of dark energy, and new insights into cancer and AIDS.
Dark Energy
One listener asked about the mysterious-sounding force in the universe called dark energy, and we have the answer.
North Star
The North Star is often depicted in folklore and literature as a solitary beacon to lonely sailors. But now astronomers know that the North Star is not alone at all.
Podcast
Spiders that eat their mates, why cloned animals get sick, some lesser known dangers of inbreeding, the origins of Jupiter's moons, and fish in see-through eggs.
Podcast
Blocking addiction in the brain, how particle accelerators work, mapping the Milky Way, the other human genome, and how tobacco could save lives.
Spiral Arm
Astronomers have made new progress in the effort to map the Milky Way.
Podcast
Pushing the boundaries of maps, how the space station makes oxygen, body image in the brain, how noise affects the heart, and why the narwhal has a tusk.
Air in Space
Even astronauts' waste water is put to work in the extreme environment of space.
Moon Base
Experts and citizens are debating whether it's worth it to return to the moon. One group says we have a lot to gain.
Carpet Cleaning
Science reporter Bob Hirshon reports on a new space spin-off that's helping to keep your carpets clean.
Crater Nurseries
After a devastating meteor strikes, the resulting crater may be the key to life.
Planet Debate
Scientists recently announced the discovery of a tenth planet. But what is a planet anyway?
Space Weather Roundup
Coronal Mass Ejections are dangerous for astronauts.
Saturn Sounds
Radio waves created on Saturn recorded by the Cassini spacecraft
Sounds of Titan
Sounds from Saturn's largest moon, Titan, recorded by the Huygens probe from Cassini
Center of Universe
Is there a black hole at the center of the universe? (The universe has no center.)
Cosmic Dark Ages
New telescopes could provide a window into the Dark Ages of the universe.
Mercury Flybys
NASA's MESSENGER mission to Mercury needs to maneuver into orbit around the planet.
Mission to Mercury
The MESSENGER space probe to Mercury will be launched in early August.
Twinkling Stars
Why do stars twinkle? (Atmospheric turbulence bends the light, and our pupils are small.)
Titan’s Surface
Radar telescope data shows the presence of liquid lakes on the surface of Saturn's largest moon.
White Hole
A new model showing that the Big Bang occurred inside the opposite of a black hole