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
Piece image
On his first night of solo observing with our Schmidt telescope on Mt. Bigelow, Arizona, my Catalina Sky Survey teammate Kacper Wierzchos discovere...

Bought by Allegheny Mountain Radio, KENW, WLPR , Harford Community Radio, WTIP and more


  • Added: Mar 06, 2020
  • Length: 02:00
  • Purchases: 8
Piece image
SpaceX's new rockets fuel the dream of visiting some of the planet Mars' unique and spectacular wonders. Today you can visit the NASA Mars Curiosit...

Bought by Allegheny Mountain Radio, KENW, Harford Community Radio, WTIP, KKRN and more


  • Added: Feb 27, 2020
  • Length: 02:00
  • Purchases: 6
Piece image
Assuming the first potentially hazardous asteroid of 2020 has a chemical composition similar to the stony meteorites we find on Earth, it could co...

Bought by Allegheny Mountain Radio, KENW, Harford Community Radio, WTIP, KKRN and more


  • Added: Feb 23, 2020
  • Length: 02:00
  • Purchases: 6
Caption: Comet P/2019 Y2 (Fuls) Imaged with the 40" telescope on Mt. Lemmon, Arizona with bias rates equal to the comet motion. It is 4-60 second exposures co-added together. The stars appear as trails since the telescope was tracking the comet., Credit:  Catalina Sky Survey/NASA/Lunar and Planetary Laboratory/University of Arizona
My Catalina Sky Survey teammate Carson Fuls was asteroid hunting in the constellation of Leo when he spotted a faint fuzzy looking object with a ta...

Bought by Allegheny Mountain Radio, KENW, WTIP, KSFR, KRWG and more


  • Added: Feb 14, 2020
  • Length: 02:00
  • Purchases: 6
Piece image
A recently discovered asteroid spends most of its time high above the plane of the solar system far from our Sun. Unknown asteroids on such a path...

Bought by Allegheny Mountain Radio, KENW, WTIP, KKRN, and KRWG


  • Added: Feb 05, 2020
  • Length: 02:00
  • Purchases: 5
Piece image
Recently my Catalina Sky Survey teammate Teddy Pruyne, discovered a potentially dangerous and perhaps valuable asteroid with our 60 inch telescope ...

Bought by Allegheny Mountain Radio, KENW, WTIP, KKRN, and KRWG


  • Added: Jan 31, 2020
  • Length: 02:00
  • Purchases: 5
Piece image
In 2019, asteroid hunters set a new record by discovering 2,433 Earth approaching objects including 85 which could potentially become a threat to p...

Bought by Allegheny Mountain Radio, KENW, KRZA, KKRN, KRWG and more


  • Added: Jan 23, 2020
  • Length: 02:00
  • Purchases: 7
Piece image
Over the past 50 years, in the interior of Australian meteorites, scientists have discovered a large variety of extraterrestrial organic substances...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KRWG and more


  • Added: Jan 18, 2020
  • Length: 02:00
  • Purchases: 6
Piece image
Recently, my Catalina Sky Survey teammate David Rankin's backyard all sky camera in Tucson, Arizona recorded a brilliant fireball meteor which took...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KSFR and more


  • Added: Jan 09, 2020
  • Length: 02:00
  • Purchases: 7
Caption: Comet Neat, Credit: NASA/NOAO/NSF/T. Rector/Z. Levay/L.Frattare
My Catalina Sky Survey teammate Hannes Groeller was asteroid hunting, in the constellation of Hydra, with our 60 inch telescope on Mt. Lemmon, Ariz...

Bought by Allegheny Mountain Radio, KENW, WTIP, KRWG, KKRN and more


  • Added: Jan 02, 2020
  • Length: 02:00
  • Purchases: 7
Piece image
Recently a group of high inclination asteroids hiding in Jupiter's shadow have been identified. Encounters with the giant planet's gravity could c...

Bought by Allegheny Mountain Radio, KENW, WTIP, WLPR , KRWG and more


  • Added: Dec 28, 2019
  • Length: 02:00
  • Purchases: 6
Piece image
Recent findings, published in the Journal of Geophysical Research suggests that there is more water locked in the minerals of nearby asteroids, whi...

Bought by Allegheny Mountain Radio, KENW, WLPR , WTIP, KRWG and more


  • Added: Dec 21, 2019
  • Length: 02:00
  • Purchases: 6
Piece image
At its closest point, a small space rock comes to only 1/3 of Mercury's average distance from the solar surface and receives 9 times the amount of...

Bought by Allegheny Mountain Radio, KENW, WTIP, KSFR, KRWG and more


  • Added: Dec 13, 2019
  • Length: 02:00
  • Purchases: 7
Piece image
Nine hours after it was discovered a tiny, 4 foot in diameter, space rock streaked less than 4,000 miles above southern Africa as it passed throug...

Bought by Allegheny Mountain Radio, KENW, WTIP, KKRN, KSFR and more


  • Added: Dec 06, 2019
  • Length: 02:00
  • Purchases: 7
Piece image
October of 2019 was a record breaking month for my team the Catalina Sky Survey during which we discovered 240 Earth approaching asteroids. This di...

Bought by KENW, WTIP, WLPR , KRWG, KSFR and more


  • Added: Nov 29, 2019
  • Length: 02:00
  • Purchases: 6
Piece image
In ancient times, Aboriginal people in southwestern Australia quarried fine grained rock on an ancient hill called Barlangi Rock to make very sharp...

Bought by Allegheny Mountain Radio, KENW, WTIP, WLPR , KRWG and more


  • Added: Nov 22, 2019
  • Length: 02:00
  • Purchases: 6
Piece image
In the space of less than 13 hours four small space rocks zipped through the Earth-Moon neighborhood. All of them were discovered by my team, the N...

Bought by Allegheny Mountain Radio, KENW, WTIP, WLPR , KKRN and more


  • Added: Nov 16, 2019
  • Length: 02:00
  • Purchases: 6
Piece image
On a clear but windy night, near the fall equinox, my Catalina Sky Survey teammate Greg Leonard was able to discover and verify 23 new Earth approa...

Bought by KENW, WTIP, WLPR , KRWG, and KSFR


  • Added: Nov 10, 2019
  • Length: 02:00
  • Purchases: 5
Piece image
An object the size of this huge space rock enters the Earth's atmosphere every 180,000 years with an energy of 5,800 megatons of TNT. The only pla...

Bought by Allegheny Mountain Radio, KENW, WTIP, KRWG, WLPR and more


  • Added: Oct 31, 2019
  • Length: 02:00
  • Purchases: 6
Piece image
During the monsoon rainy season, my Catalina Sky Survey teammate, Hannes Groeller took a vacation in his native Austria. Returning to begin the fa...

Bought by Allegheny Mountain Radio, KENW, WLPR , KRWG, and WTIP


  • Added: Oct 23, 2019
  • Length: 02:00
  • Purchases: 5