New University of Arkansas research adds weight to the suggestion of a long-lived ocean covering Mars’s northern hemisphere.

A journey through time and space with Australia's best known astronomer, Fred Watson Fred Watson knows all about the madness that drives people to understand the Universe and unlock its secrets. Now ...

Durations on labels ; manual sequence. Performer(s): Principally songs ; Doc Watson, vocals, guitar, mandolin, harmonica, banjo ; Clint Howard, vocals, guitar ; Fred ...