Travelers In The Night

Series produced by Albert Grauer

Series image
Image by: NASA 

Travelers In The Night is your unique source of insider Information from the Asteroid Hunting and Space Communities.
The music is "Eternity" by John Lyell.

The PRX Series “Travelers In The Night” has more than 6,000 PRX free purchases as well as more than 805,000 downloads on the internet. It has been aired on 59 radio stations.


It features an engaging and informative series of two minute, factual episodes about asteroids, comets, spacecraft, and other objects in space.

The pieces are "evergreen" in that they are current but not dated.

The Travelers In The Night Pieces are written and produced by a member of the Catalina Sky Survey Team at the University of Arizona.

The Catalina Sky Survey has discovered nearly half of the Earth approaching objects known to exist.


787 Pieces

Order by: Newest First | Oldest First
Caption: Earth, Credit: NASA
In 2018, July and August were cloudy and rainy in both Arizona and Hawaii sidelining the worlds two most productive asteroid hunting surveys. A cos...

Bought by Simply Beautiful, KGLP, KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX and more


  • Added: Aug 21, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Saturn, Credit: NASA
Even though humans have been aware of the planet Saturn from from the dawn of history this beautiful object still offers mysteries for us to explore.

Bought by Simply Beautiful, KGLP, KICI Iowa City, KTAL-LP [Las Cruces Community Radio], Raven Radio and more


  • Added: Aug 14, 2022
  • Length: 02:00
  • Purchases: 9
Caption: M107, Credit: HST-NASA
From the time 3 million years ago that our ancestor Lucy walked in what is now Ethiopia until the widespread use of electric lighting began in the ...

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  • Added: Aug 07, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Hubble Image. Sharp star images., Credit: NASA
Fuzzy, spread out, asteroid images due to atmospheric and or equipment produced distortions can cause important objects to slip through an asteroid...

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  • Added: Jul 31, 2022
  • Length: 02:00
  • Purchases: 6
Caption: Earth Captures Mini-Moon, Credit: K. Teramura UHIFA
There are likely to be hundreds smaller than softball sized and perhaps several dozen football to beachball sized, natural Earth mini moons, which ...

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  • Added: Jul 24, 2022
  • Length: 02:00
  • Purchases: 7
Caption: Mars, Credit: NASA
Exciting new research indicates that there could be a lake of liquid water beneath the south Martian polar cap. Further research will be required t...

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  • Added: Jul 17, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Asteroids, Credit: NASA
It has been 20 years since the world woke up to the news that a half mile diameter asteroid, 1997 XF11, discovered by Space Watch on Kitt Peak, had...

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  • Added: Jul 10, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Parker Spacecraft, Credit: NASA
Imagine a spacecraft traveling at a speed that would take it from New York to Tokyo in less than a minute, a mere 4 million miles from the surface ...

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  • Added: Jul 03, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Martian Dust Storm, Credit: NASA
In a few weeks ,as Earth and Mars moved closer together, a dust storm engulfed most of the red planet making it impossible to see its surface featu...

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  • Added: Jun 26, 2022
  • Length: 02:00
  • Purchases: 7
Caption: The last of the day's sunlight pokes through a monsoon storm building up over the northwest area of the valley, generating lightning strikes but little precipitation, Saturday, July 8, 2017, Tucson, Ariz., Credit: Kelly Presnell / Arizona Daily Star
A huge Earth approaching asteroid is discovered right before the 2018 monsoon rains settled into the American Southwest. This weather imposed break...

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  • Added: Jun 19, 2022
  • Length: 02:00
  • Purchases: 7
Caption: Planetary Alignment over Australian Radio Telescope, Credit:  Graeme L. White & Glen Cozens (James Cook University)
Most Astronomers find it hard to believe that given perhaps a trillion planets in the Milky Way alone that our Earth is the only one which hosts li...

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  • Added: Jun 12, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Binary Asteroid, Credit: ESA
Asteroid hunters have discovered a strange asteroid pair. How they came to be together and what humans would do if such a large double trouble obje...

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  • Added: Jun 05, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Fireball Exploding, Credit: NASA
An object is tracked in outer space, seen to explode in our atmosphere, and had a fragment of it discovered on the ground. Its analysis will help h...

Bought by Allegheny Mountain Radio, Simply Beautiful, KBCS 91.3 FM Community Radio, KICI Iowa City, RADIOLEX and more


  • Added: May 29, 2022
  • Length: 02:00
  • Purchases: 9
Piece image
Statistically, asteroid hunters are thought to have discovered 90% of our potentially dangerous celestial neighbors greater than 1 KM in diameter. ...

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  • Added: May 22, 2022
  • Length: 02:00
  • Purchases: 10
Caption: Comet Johnson, Credit: CSS/NASA/U.Arizona
Comet C/2018 M1 (Catalina) is eternal in the sense that it will likely wander the vast space between the stars in our Milky Way Galaxy until the en...

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  • Added: May 15, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Comet Christensen, Credit: NASA
My Catalina Sky Survey teammate Greg Leonard knew he had bagged his third comet when he spotted an unknown fuzzy object with a broad tail moving th...

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  • Added: May 08, 2022
  • Length: 02:00
  • Purchases: 10
Piece image
A 2000 foot diameter space rock has stories to tell about violent events long ago. Asteroid hunters are eager to track this huge collision fragment...

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  • Added: May 01, 2022
  • Length: 02:00
  • Purchases: 9
Piece image
A 100 foot diameter asteroid is spotted on one of its regular trips between the orbits of Venus and Earth. Its ultimate fate is to collide with one...

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  • Added: Apr 24, 2022
  • Length: 02:00
  • Purchases: 10
Caption: Artist's concept of what binary asteroid 2017 YE5 might look like. The two objects showed striking differences in radar reflectivity, which could indicate that they have different surface properties., Credit: NASA/JPL-Caltech
A strange asteroid plays hide and seek with frustrated astronomers.

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  • Added: Apr 17, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Fragments of the asteroid 2018 LA scattered over a wide area in Botswana’s Central Kalahari Game Reserve., Credit: Alexande Proyer
A small space rock with a diameter less than the height of an NBA basketball player had just crossed the orbit of our Moon on a collision course wi...

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  • Added: Apr 10, 2022
  • Length: 02:00
  • Purchases: 10