William Sheehan

Sheehan and Westfall paint a picture of the history of this rare phenomenon through this year's transit as well as that of June 5-6, 2012. They interweave a discussion of its scientific significance with the stories of the people who went to great lengths to be a part of its legacy, such as Jerem...

No other planet has so fired the human imagination as Mars. The possibility of life on the planet was an obsession in the 19th century. It is not surprising to find that it has become so once again, because of all the planets in the solar system (apart from Earth), Mars has always been regarded a...