Travelers In The Night

Series produced by Al 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 4,400 PRX free purchases as well as more than 625,000 downloads and 33,000 followers on the internet. It has been aired on 54 radio stations.


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

The script and a list of references for each program piece can be found on travelersinthenight.org.

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.


659 Pieces

Order by: Newest First | Oldest First
Caption: Comet Neat observed At Kitt Peak, Credit: NASA
What at first appeared to be an asteroid turned out to be a double comet.

Bought by RADIOLEX, KKRN, KRWG, KTAL-LP [Las Cruces Community Radio], and Harford Community Radio


  • Added: Sep 19, 2021
  • Length: 02:00
  • Purchases: 5
Caption: Mars, Credit: NASA
Martian Trojan asteroids have stable orbits around the Sun, leading and trailing the red planet by 60 degrees, where the Sun's and Mars's gravity a...

Bought by RADIOLEX, KKRN, KRWG, Harford Community Radio, and KTAL-LP [Las Cruces Community Radio]


  • Added: Sep 12, 2021
  • Length: 02:00
  • Purchases: 5
Caption: The Phoenix CityCam caught the flash of light around 8:30 p.m. on Nov. 14, 2017, Credit: City of Phoenix
Recently there were four fireball meteors, brighter than the planet Venus, which exploded over Germany, France, Ohio, and Arizona within the space ...

Bought by RADIOLEX, KRWG, KKRN, KTAL-LP [Las Cruces Community Radio], and Harford Community Radio


  • Added: Sep 05, 2021
  • Length: 02:00
  • Purchases: 5
Caption: NASA astronaut Peggy Whitson happily displays the progress of the Advanced Astroculture experiment aboard the International Space Station in July 2002., Credit: NASA
On Earth, human life is enabled by plants which provide us with calories, vitamins, fuel, medicines, and oxygen to breathe. In addition, recent sci...

Bought by RADIOLEX, KGLP, KRWG, KKRN, WTIP and more


  • Added: Aug 29, 2021
  • Length: 02:00
  • Purchases: 7
Piece image
The largest asteroid to come near the Earth in 100 years has two moons.

Bought by KGLP, RADIOLEX, KKRN, KRWG, WTIP and more


  • Added: Aug 22, 2021
  • Length: 02:00
  • Purchases: 7
Piece image
Finding a meteorite that has traveled billions of miles through space to reach it's present location is exciting. It might even be worth real money.

Bought by KGLP, WTIP, RADIOLEX, KRWG, KKRN and more


  • Added: Aug 14, 2021
  • Length: 02:00
  • Purchases: 7
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Experience the wonders of the Universe first hand using your night vision.

Bought by KGLP, RADIOLEX, KKRN, KRWG, WTIP and more


  • Added: Aug 07, 2021
  • Length: 02:00
  • Purchases: 7
Piece image
China's new big ear will be the most sensitive receiver to search for signals from alien civilizations.

Bought by KGLP, RADIOLEX, WTIP, KKRN, KRWG and more


  • Added: Jul 31, 2021
  • Length: 02:00
  • Purchases: 7
Piece image
Recently my Catalina Sky Survey teammate Greg Leonard discovered, 2016 WJ1, a relatively large asteroid which can come close but will not hit the E...

Bought by KGLP, WTIP, RADIOLEX, KRWG, KKRN and more


  • Added: Jul 25, 2021
  • Length: 02:00
  • Purchases: 7
Caption: Falling from Space, Credit: NASA/Bill Dunford
Meteors, shooting stars, or falling stars are different names for the streaks of light in the night sky which are in reality the dying embers of ti...

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  • Added: Jul 17, 2021
  • Length: 02:00
  • Purchases: 7
Caption: Jupiter, Credit: NASA
Jupiter has been observed throughout human history and is so bright that you can even spot it under the artificial light dome of one of our cities....

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  • Added: Jul 11, 2021
  • Length: 02:00
  • Purchases: 7
Piece image
During a recent 30 day period asteroid hunters spotted 88 small space rocks passing through our neighborhood. Their diameters ranged from the leng...

Bought by KGLP, WTIP, KRWG, KKRN, Harford Community Radio and more


  • Added: Jul 03, 2021
  • Length: 02:00
  • Purchases: 6
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 RADIOLEX, KGLP, WTIP, KKRN, KRWG and more


  • Added: Jun 27, 2021
  • Length: 02:00
  • Purchases: 7
Piece image
A break in the weather provides the opportunity to discover an Earth approaching object.

Bought by KGLP, RADIOLEX, KRWG, KKRN, RadioStPete Florida and more


  • Added: Jun 20, 2021
  • Length: 02:00
  • Purchases: 9
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...

Bought by KGLP, RADIOLEX, KRWG, KKRN, WTIP and more


  • Added: Jun 13, 2021
  • Length: 02:00
  • Purchases: 7
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...

Bought by KGLP, RADIOLEX, KICI Iowa City, WTIP, KKRN and more


  • Added: Jun 04, 2021
  • Length: 02:00
  • Purchases: 8
Piece image
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...

Bought by KRZA, WTIP, Harford Community Radio, KGLP, KKRN and more


  • Added: May 29, 2021
  • Length: 02:00
  • Purchases: 6
Caption: SpaceX Starship, Credit: SpaceX
New Rocket engines will revolutionize space travel to the Moon and Mars.

Bought by KGLP, KKRN, KRWG, WTIP, KTAL-LP [Las Cruces Community Radio] and more


  • Added: May 22, 2021
  • Length: 02:00
  • Purchases: 6
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 KTAL-LP [Las Cruces Community Radio], KICI Iowa City, KGLP, WTIP, KKRN and more


  • Added: May 16, 2021
  • Length: 02:00
  • Purchases: 6
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...

Bought by KGLP, WTIP, KRWG, KKRN, Harford Community Radio and more


  • Added: May 08, 2021
  • Length: 02:00
  • Purchases: 7