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 807,000 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.


790 Pieces

Order by: Newest First | Oldest First
Caption: Halley's Comet, Credit: NASA
The discovery of a Jupiter family comet whose fate is to become a garden variety main belt asteroid.

Bought by Allegheny Mountain Radio, WYAP, KTAL-LP [Las Cruces Community Radio], Raven Radio, RADIOLEX and more


  • Added: Jan 29, 2023
  • Length: 02:00
  • Purchases: 8
Caption: Asteroid, Credit: -Dieter-Spannknebel-Getty-Images
On Halloween night while observing with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona I discovered 21 space rocks streaking th...

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  • Added: Jan 22, 2023
  • Length: 02:00
  • Purchases: 10
Caption: Artists Conception: Small Space Rocks, Credit: Texas A&M
As asteroid hunters equipment and skills continue to improve we will be able to find and track some of these tiny impactors and perhaps be able to ...

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  • Added: Jan 15, 2023
  • Length: 02:00
  • Purchases: 9
Caption: Earth Engulfed in Space Weather, Credit: NASA
Space is not all that far away. If a powerful solar eruption in 2012 had happened a week earlier, the blast of radiation would have caused wide spr...

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  • Added: Jan 08, 2023
  • Length: 02:00
  • Purchases: 9
Caption: Kordylewski's strange "dust moons", Credit:  J. Slíz-Balogh
The discovery of two large ghostly neighbors approximately 65,000 by 45,000 miles in size at the L4 and L5 sites approximately 250,000 miles from b...

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  • Added: Jan 01, 2023
  • Length: 02:00
  • Purchases: 9
Caption: Artists Conception:Small Impacting Asteroid, Credit: NASA
Since 1900 there have been 11 close approaches by asteroids larger than 300 feet in diameter. One of them, the Tunguska Object was about 400 feet i...

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  • Added: Dec 25, 2022
  • Length: 02:00
  • Purchases: 10
Caption: Telescopes Mt. Lemmon, AZ, Credit: CSS/University of Arizona
My team, the Catalina Sky Survey, would not find a single asteroid without Steward Observatory's Mountain Lemmon Operations, or Mtn Ops for short. ...

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  • Added: Dec 18, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Asteroid, Credit: NASA
Aten Asteroids are stealthy space rocks which can be dim and hard to detect since for most of their path about the Sun their illuminated side is fa...

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  • Added: Dec 11, 2022
  • Length: 02:00
  • Purchases: 10
Caption: Artists Conception: Exploding Fireball Meteor, Credit: NASA
Ten hours and 46 minutes after my Catalina Sky Survey teammate Greg Leonard discovered a Toyota RAV4 sized space rock, now named 2018 UA, streaking...

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  • Added: Dec 04, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Artists Conception: Asteroids Around Vega, Credit: NASA
Until recently the discovery of very close approaching asteroids was rare, however, due to improvements in telescopes, cameras, and computers aster...

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  • Added: Nov 27, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Artist Conception , Credit: Getty Images
Asteroid hunters are developing the equipment and skills which enable them to predict the impact of tiny space rocks. Thus in the future you may ha...

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  • Added: Nov 20, 2022
  • Length: 02:00
  • Purchases: 7
Caption: Vesta, Credit: NASA
Recently my Catalina Sky Survey teammate Richard Kowalski was asteroid hunting in the constellation of Pegasus with our Schmidt telescope on Mt. Bi...

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  • Added: Nov 13, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Artist's Conception Benu and Asteroids, Credit: NASA
To give you an idea of the celestial traffic in our neighborhood, on a recent clear night, using our 60 inch telescope on Mt. Lemmon, Arizona, my C...

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  • Added: Nov 06, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Artist Conception , Credit: Don Davis (University of Florida)
In the fictional Star Trek series, Vulcan, Spock's home planet was imagined to orbit the A component of the triple star system 40 Eridani [Eri-dani...

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  • Added: Oct 30, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Comet Nucleus, Credit: NASA
Recently my Catalina Sky Survey teammate Carson Fuls discovered his third comet, Comet C/2018 R4 (Fuls). It is now on its way back into deep space....

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  • Added: Oct 23, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Ida and Gaspra, Credit: NASA
Asteroid Hunters keep careful track of nearly 2,000 Potentially Hazardous Asteroids [PHAs] to make sure that they are no threat to humanity. The re...

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  • Added: Oct 16, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Artists Conception Asteroid and Earth, Credit: ESA
A small space rock is spotted 4 days before it came very close to the Earth and our Moon.

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  • Added: Oct 09, 2022
  • Length: 02:00
  • Purchases: 9
Caption: Ida, Credit: NASA
What asteroid hunters fear is that a small space rock capable of injuring people and damaging buildings is heading our way and that we will not fin...

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  • Added: Oct 02, 2022
  • Length: 02:00
  • Purchases: 8
Caption: Opportunity Rover, Credit: NASA
The NASA Mars Opportunity Rover, nicked named Oppy by those who operate and love it ,was designed to last 90 days on the Martian surface but has co...

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  • Added: Sep 25, 2022
  • Length: 02:00
  • Purchases: 8
Piece image
Although small space rocks pose no threat to humans, they are an interesting part of our environment, offer a chance for asteroid hunters to develo...

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  • Added: Sep 18, 2022
  • Length: 02:00
  • Purchases: 8