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.
An estimated 5,000 spent rocket bodies and retired multinational spacecraft that circle the Earth—some with a mass of up to several tons—are part of a growing orbital debris population that poses a lingering collision threat to national security and civil space assets.
A future NASA Orion crew might find its way to an aging but still productive Hubble Space Telescope to conduct upgrades and repairs, says John Grunsfeld, who journeyed to the orbital observatory as a spacewalking mechanic on three shuttle missions.
When Doug Hurley and Bob Behnken splash down in the Atlantic Ocean following their SpaceX Demo-2 flight to the International Space Station, it will mark the first time NASA astronauts have landed in the ocean in nearly 45 years.
