Topic: Astronomy & Space

September 28, 2018 Planetary Hygiene - Scientists strive to keep our spacecraft germ-free.
September 13, 2018 Sun’s Birthplace - Where did our Sun get its start?
August 23, 2018 Fireball Sounds - Seismologists track a fireball by its sound.
April 11, 2018 Baseball on the Moon - Could a well-thrown baseball sail from the moon’s surface into orbit?
April 5, 2018 Space Smells - A listener wants to know if space has smells.
March 5, 2018 Star Wars Robots - How realistic are Star Wars’ lovable droids?
February 8, 2018 Lost & Found Spacecraft - An amateur radio operator tracks down a lost spacecraft.
December 6, 2017 Space Music - Turning the Voyager spacecraft particle detector into a musical instrument.
November 27, 2017 JunoCam Imagery - Amateur scientists and artists process the latest images of Jupiter.
November 17, 2017 Universal Gravity Reduction - Is the expanding Universe weakening our gravity?
August 23, 2017 Space Plastic - Astronauts’ replacement tools could come from an unconventional source.
August 7, 2017 Neighborly Asteroid - A fast-approaching asteroid will help space scientists practice their tracking skills.
June 22, 2017 Exploration Telepresence - Tomorrow’s space pioneers will be very different from the explorers of yesterday.
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.