drew@drewexmachina.com
There have been media reports about a propulsion technology under study that would allow Mars to be reached in just three days instead of the multi-month […]
NASA’s New Horizons spacecraft, currently in the middle of its historic encounter with Pluto and its system of moons, is the culmination of a quarter of […]
Without a doubt, the most widely known comet has got to be Comet Halley. First observed in ancient times perhaps as early as 446 BC, it […]
While I have had a long-time interest in lunar and planetary exploration both as a scientist and a historian, for the past quarter of a century […]
On July 14, 2015 NASA’s New Horizons spacecraft will make its closest approach to the dwarf planet Pluto after a long voyage of 9½ years. Even […]
On December 14, 1962, NASA’s Mariner 2 became the first spacecraft to return data of closeup observations from another world. What is not as widely known […]
Entering orbit around another planet from an interplanetary approach trajectory is probably one of the most critical phases in a planetary mission. Everything must come together […]
The Soviet planetary probe, Mars 1, was the first spacecraft to survive launch to be sent on its way to the Red Planet. Although Mars 1 […]
Fifty years ago today the Soviet Union launched Zond 1 on a mission to land on Venus. Unfortunately this probe succumbed to a series of malfunctions […]
A couple of weeks ago the Obama Administration released its proposed budget for FY2015. NASA’s budget (which is almost certainly subject to change by Congress as […]
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