The April 2015 issue of Orbital Debris Quarterly News features the article "Orion EFT-1 Postflight MMOD Inspection." Continue reading for the full article.

See the latest issue of Orbital Debris Quarterly News. 

The October 2014 issue of Orbital Debris Quarterly News includes an article featuring the comet Siding Spring and the science opportunities it presents. Continue reading for the full article.

The July 2014 issue of Orbital Debris Quarterly News included an article on Dr. Jer Chyi (J.-C.) Liou, NASA’s new chief scientist for orbital debris. Continue reading for the full article.

Want to learn more about orbital debris? A new SATERN course, “Orbital Debris,” is available.

Check out the recent issue of Orbital Debris Quarterly News.

Hear Dr. Mark Matney from NASA's Orbital Debris Program Office discuss orbital debris and space safety in the March Safety Message.

Nick Johnson retired March 28, 2014, saying goodbye to NASA after 18 years as NASA's chief scientist of Orbital Debris (OD) and 10 as the OD Program Office's program manager.

January's issue of Orbital Debris Quarterly News featured an article on the release of NASA's Orbital Debris Engineering Model, ORDEM 3.0. Read the full article for details.

NASA developed the Meteoroid Engineering Model to mitigate the risk associated with the sporadic meteoroid environment, which can damage spacecraft.