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 6,100 PRX free purchases as well as more than 812,000 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.


796 Pieces

Order by: Newest First | Oldest First
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...

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


  • Added: Nov 27, 2022
  • Length: 02:00
  • Purchases: 9
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...

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


  • Added: Dec 04, 2022
  • Length: 02:00
  • Purchases: 8
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...

Bought by Allegheny Mountain Radio, Simply Beautiful, KICI Iowa City, KGLP, WTIP and more


  • Added: Dec 11, 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. ...

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


  • Added: Dec 18, 2022
  • 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: 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...

Bought by Allegheny Mountain Radio, KGLP, Simply Beautiful, KICI Iowa City, Raven Radio and more


  • Added: Jan 01, 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: 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: 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: 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: Comet ISON, Credit: NASA
An interstellar traveler visits our neighborhood on its tour of the Milky Way.

Bought by Allegheny Mountain Radio, WYAP, KGLP, Raven Radio, KKRN and more


  • Added: Feb 06, 2023
  • Length: 02:00
  • Purchases: 6
Caption: Lunar Space Rock, Credit: NASA
Recently, my Catalina Sky Survey teammate Hannes Groller discovered an Earth approaching asteroid which has a speed consistent with it being ejecte...

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  • Added: Feb 12, 2023
  • Length: 02:00
  • Purchases: 10
Caption: Comet ISON, Credit: NASA
During Comet C/2018 V4 Africano's last visit to the inner solar system humans were erecting the outer ring at Stonehenge. At the rate human's are c...

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


  • Added: Feb 26, 2023
  • Length: 02:00
  • Purchases: 8
Caption: Asteroids, Credit: NASA
For the first time in history, an asteroid hunting team, the Catalina Sky Survey, has discovered more than 1,000 Earth approaching asteroids in a s...

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  • Added: Feb 19, 2023
  • Length: 02:00
  • Purchases: 10
Caption: IDA, Credit: NASA
The extremely remote chance that a dangerous mountain sized space rock has our number on it is what keeps my team going to our four telescopes in t...

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  • Added: Mar 05, 2023
  • Length: 02:00
  • Purchases: 9
Caption: Asteroid Breakup, Credit: NASA
The object which the 2.3 mile diameter Gault hit is likely to have been a third of a mile diameter space rock. This celestial crash left Gault with...

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


  • Added: Mar 12, 2023
  • Length: 02:00
  • Purchases: 10
Caption: Asteroid Near Earth, Credit: ESA
A tiny space rock passes through the cloud of communications satellites surrounding the Earth.

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  • Added: Mar 19, 2023
  • Length: 02:00
  • Purchases: 10
Caption: Comet ISON, Credit: NASA
My Catalina Sky Survey teammate Hannes Groller was asteroid hunting with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered his first...

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  • Added: Mar 26, 2023
  • Length: 02:00
  • Purchases: 9
Caption: Vega's Asteroids, Credit: NASA
NASA's Double Asteroid Redirection Test or DART for short will test methods to make a dangerous asteroid miss Earth

Bought by KICI Iowa City, Raven Radio, RADIOLEX, KGLP, WTIP and more


  • Added: Apr 02, 2023
  • Length: 02:00
  • Purchases: 8
Caption: NASA Stardust
My Catalina Sky Survey Teammate Brian Africano discovered his 4th comet while asteroid hunting in the constellation of Ursa Major with our Schmidt ...

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  • Added: Apr 09, 2023
  • Length: 02:00
  • Purchases: 9