Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America's space program through news reporting. He has written on U. S. space policy as well as NASA's human and space science initiatives.
Mark was recognized by the Texas Associated Press Managing Editors and Headliners Foundation as well as the Chronicle in 2004 for news coverage of the shuttle Columbia tragedy and its aftermath.
He is a graduate of the University of Kansas and holds a Master's degree in Journalism and Mass Communications from Kansas State University.
Though quite small, curious seasonal variations in concentrations of oxygen in the thin Martian atmosphere have scientists baffled and striving to provide an explanation.
The NASA Orion capsule assigned to the first joint test flight of the Space Launch System (SLS), the uncrewed Artemis 1 mission, reached Ohio by air transport from Kennedy Space Center in Florida on Nov. 24.
Two spacewalking astronauts teamed for the second of four planned spacewalks outside the ISS on Nov. 22 to advance an upgrade of the thermal control system on the Alpha Magnetic Spectrometer.