Topic: Astronomy & Space

May 8, 2017 Albatross Satellites - High-resolution space satellites monitor threatened albatross populations in remote areas of the world.
February 16, 2017 Saturn’s Hexagonal Storm - Planetary scientists puzzle over a strange, hexagon on Saturn.
January 20, 2017 Nano Silicon - Scientists strive to keep our spacecraft germ-free.
January 19, 2017 Planetary Hygiene - Scientists strive to keep our spacecraft germ-free.
January 1, 2017 Planetary Hygiene - Scientists strive to keep our spacecraft germ-free.
November 28, 2016 Star Distance - Astronomers calculate the distance to the furthest stars by comparing them to stars they know.
November 14, 2016 Supermoon - A rare supermoon lights up the sky tonight.
August 1, 2016 Jupiter’s Hot Spot - Jupiter’s Great Red Spot is heating the gas giant’s upper atmosphere from below.
July 7, 2016 Cold Organic Molecules - Scientists propose a chilly start to the molecules that form the basis of all life.
June 8, 2016 Mars Tsunamis - Ancient seismic sea waves on Mars left a lasting record, and insights into how life could have evolved on other planets.
April 8, 2016 Space Elevator - Could a “space elevator” carry supplies to the International Space Station?
April 6, 2016 Pluto’s Surfaces - New research reveals that frozen nitrogen flows across the surface of Pluto.
March 30, 2016 Pluto’s Origins - A violent collision between two worlds may have given rise to Pluto and its satellites.
March 23, 2016 Pluto’s Big Discoveries - A trickle of data from the New Horizons spacecraft is building into a flood of new findings.
March 8, 2016 Dark Mercury - How did Mercury get to be the darkest planet in the solar system?
February 2, 2016 Babylonian Astronomers - Scientists uncover the lost astronomical calculations of the Babylonians.
December 28, 2015 Science Breakthroughs of 2015: Dwarf Planets - Science Breakthroughs of 2015: The larger planets may get more publicity, but the solar system’s smaller planetary bodies harbor just as many surprises.
November 17, 2015 Earth’s Water Origins - Lava found deep below the earth reveals the origins of earth’s water.
November 10, 2015 The Martian Atmosphere - A space probe orbiting Mars is sending back evidence of what happened to its once-thick atmosphere.
October 19, 2015 Pluto’s Secrets Revealed - Pluto’s first close-ups reveal unexpected geological features.
August 3, 2015 Comet Chemistry - Comet 67P offers a window into the early solar system, and harbors organic compounds that may have provided building blocks for life on earth.
July 2, 2015 Muon Inspection - A cosmic way to see inside concrete and metal objects.
June 24, 2015 Pluto Close Up - How clear will Pluto’s next snapshots be?
April 27, 2015 Hubble’s 25th Birthday - The Hubble Space Telescope has expanded our knowledge of the universe by leaps and bounds in just 25 years.
April 15, 2015 MESSENGER’s last messages - Before crashing into Mercury’s surface, the MESSENGER spacecraft will capture high-resolution images and other data.
April 9, 2015 Black Holes - What happens to all the stuff that gets sucked into black holes?
April 2, 2015 Earth’s Tilt - What makes Earth so off-kilter?
March 24, 2015 The Jupiter Effect - The planet Jupiter may be responsible for Earth’s mild climate.
February 13, 2015 Waving to Aliens - Is it time to actively signal civilizations that might exist beyond earth?
January 27, 2015 Rubber Ducky Comet - The Rosetta spacecraft currently orbits Comet 67P. Its uncanny resemblance to a child’s rubber ducky toy produces seasons which affect its thin atmosphere.
January 12, 2015 Naming Mercury’s Craters - Planetary geologists provide the public with a chance to name five craters on Mercury.
December 30, 2014 Science Breakthroughs of 2014: CubeSats - 2014 Science Breakthroughs of the Year: The rise of the pint-sized satellite.
November 7, 2014 Space Elevator - Could a “space elevator” carry supplies to the International Space Station?
October 3, 2014 Syrian Cultural Site Destruction - War in Syria is reducing much of the country’s cultural heritage to rubble.
September 29, 2014 Earth’s Ancient Water - The earth’s water is older than the sun’s and may point to the possibility of life in other parts of space.
January 9, 2014 Comet Harpoon - NASA scientists are testing a harpoon that could bring back samples from comets.
December 25, 2013 Far-Out Mega Planet - An enormous planet, orbiting a star at a tremendous distance, challenges theories of planet formation.
October 24, 2013 Space Elevator - Could a “space elevator” carry supplies to the International Space Station?
October 21, 2013 Lonely Planet - Astronomers have discovered a solitary planet without a sun.
October 11, 2013 Earth’s Tilt - A listener asks how the earth's tilt is measured.
July 24, 2013 Lunar Insomnia - The full moon affects people's sleep cycles, even if they can't see it.
February 11, 2013 Storm Cloud Life - A world of bacterial life inhabits storm clouds high in the atmosphere.
February 7, 2013 Dung Beetle Navigation - Dung beetles use the Milky Way to roll their dung balls in a straight line.
January 8, 2013 Comet Encounters - A newly discovered comet will be visible from earth this fall.
December 21, 2012 Podcast for 21 December 2012 - THE CHANGING ENVIRONMENT - What a scallop's cough can tell us about environmental health, how melting Arctic ice may have caused the earth's last big freeze, and why climate change may have undone the Maya empire. Also: using weather forecasting techniques to predict flu outbreaks, and revisiting the apocalypse myth surrounding the fictional planet Nibiru.
December 7, 2012 Podcast for 7 December 2012 - ARE YOU WREN ENOUGH? Why fairy wrens require their babies to show ID, how coral reefs ask for help, and how one microscopic animal patches itself up with borrowed genes. Also: Host Bob Hirshon went down to NASA Headquarters to report on the discovery of water on the planet Mercury.
December 3, 2012 Water on Mercury - Scientists discover water on the planet Mercury.
November 12, 2012 Butterfly Migration Radar - Radar data, along with highly coordinated observations, has solved a disappearing-butterfly mystery.
July 24, 2012 Martian Water - An analysis of meteorites suggests that the Martian interior contains much more water than previously suspected.
July 6, 2012 Podcast for 6 July 2012 - OUR SOLAR SYSTEM - Scientists discover organic carbon in meteorites from Mars and take a new look at the asteroid Vesta. Also: zebrafish meet their robotic overlords, and someone finally invents a blind-spot-free side-view mirror.