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 6,250 PRX free purchases as well as more than 821,000 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.


807 Pieces

Order by: Newest First | Oldest First
Caption: Smith Telescope McDonald Observatory, Credit: McDonald Observatory
Until recently smoky nights at the observatory were rare. Now they have become more common place as wild fires continue to devastate portions of th...

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, RADIOLEX, KGLP and more


  • Added: Jun 27, 2021
  • Length: 02:00
  • Purchases: 10
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A break in the weather provides the opportunity to discover an Earth approaching object.

Bought by KENW, Allegheny Mountain Radio, Simply Beautiful, KGLP, RADIOLEX and more


  • Added: Jun 20, 2021
  • Length: 02:00
  • Purchases: 12
Caption: Recent explosive volcanic deposit around a fissure of the Cerberus Fossae system. , Credit: NASA/JPL/MSSS/The Murray Lab
Relatively recent volcanic activity observed on Mars suggests that where subsurface martian magma and frozen water meet is where microbial life cou...

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  • Added: Jun 13, 2021
  • Length: 02:00
  • Purchases: 10
Caption: A view of Earth's atmosphere., Credit: NASA
As a result of human caused increases in green house gases the troposphere is expanding and the stratosphere is shrinking. Between 1980 and 2018 t...

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  • Added: Jun 04, 2021
  • Length: 02:00
  • Purchases: 11
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A team of astronomers find that as many as 14 comets which came to less than 4 times the Moon's distance from us as long as 4,000 years ago are de...

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  • Added: May 29, 2021
  • Length: 02:00
  • Purchases: 9
Caption: SpaceX Starship, Credit: SpaceX
New Rocket engines will revolutionize space travel to the Moon and Mars.

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  • Added: May 22, 2021
  • Length: 02:00
  • Purchases: 9
Caption: The Asteroid Vesta, Credit: NASA
An impacting object hit the asteroid Vesta making a 10 mile diameter crater and in the process blasted loose fragments which have been orbiting th...

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


  • Added: May 16, 2021
  • Length: 02:00
  • Purchases: 9
Caption: Hubble Image, Credit: NASA
In March and April every year amateur astronomers, around the world, in Messier Marathons, attempt to view all of 110 objects in the Messier cata...

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  • Added: May 08, 2021
  • Length: 02:00
  • Purchases: 10
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Asteroid hunters have discovered a curious object. It appears likely to be either a rock ejected from the Moon or a piece of space junk from a hu...

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  • Added: May 02, 2021
  • Length: 02:00
  • Purchases: 10
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During a recent 60 day period asteroid hunters discovered 29 space rocks as they passed closer to us than the Moon. These small asteroids averaged...

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  • Added: Apr 24, 2021
  • Length: 02:00
  • Purchases: 10
Caption: Artist’s conception of early Earth after several large asteroid impacts, moving magma on to the surface. , Credit: Simone Marchi/SwRI
How ET could know there is life on Earth.

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  • Added: Apr 18, 2021
  • Length: 02:00
  • Purchases: 10
Caption: Zodiacal Light and Mars , Credit: Joshua Rhoades
After sunset in the spring and before sunrise in the fall, at a natural night sky location like the Cosmic Campground International Dark Sky Sanctu...

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  • Added: Apr 11, 2021
  • Length: 02:00
  • Purchases: 10
Caption: 90 Inch Bok Telescope, Credit: Steward Observatory
On Kitt Peak in Arizona, the Steward Observatory's Bok telescope's 90 inch light collecting mirror enables the discovery, study, and tracking of sp...

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  • Added: Apr 02, 2021
  • Length: 02:00
  • Purchases: 10
Caption: This artist's concept depicts NASA's Mars 2020 rover on the surface of Mars., Credit:  NASA/JPL-Caltech
We are lucky to be alive in an age when anyone with an internet connection can participate in the exploration of Mars. Your unique brain-eye combi...

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  • Added: Mar 26, 2021
  • Length: 02:00
  • Purchases: 10
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On 28 February 2021 at 9:54PM a large slow moving fireball meteor was observed over England, Northern Ireland, Wales, and Scotland. The Wichcombe m...

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  • Added: Mar 20, 2021
  • Length: 02:00
  • Purchases: 10
Caption: Bright Fireball Meteor, Credit: NASA
The situation that asteroid hunters both train for and dread is the discovery of a large space rock on a collision course with planet Earth. Recent...

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  • Added: Mar 12, 2021
  • Length: 02:00
  • Purchases: 10
Caption: Vesta, Credit: NASA
My Catalina Sky Survey teammate Richard Kowalski is the first person in our group and perhaps the first person in the world to discover a potential...

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  • Added: Mar 07, 2021
  • Length: 02:00
  • Purchases: 10
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My Catalina Survey Teammate Greg Leonard was asteroid hunting with our 60 inch telescope on Mt. Lemmon, Arizona when he spotted a fuzzy object wit...

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  • Added: Feb 28, 2021
  • Length: 02:00
  • Purchases: 11
Caption: Eros, Credit: NASA
My Catalina Sky Survey teammate David Rankin was asteroid hunting in the constellation of Hercules when he spotted a fast moving point of light str...

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


  • Added: Feb 21, 2021
  • Length: 02:00
  • Purchases: 11
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My Catalina Sky Survey teammate David Rankin was asteroid hunting in the constellation of Canes Venatici with our 60 inch telescope on Mt. Lemmon, ...

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


  • Added: Feb 14, 2021
  • Length: 02:00
  • Purchases: 11