Aristotle's biology and political science were quite empirical, and are the foundations of the more modern versions. His cosmology was off track because he did

Aristotle's biology and political science were quite empirical, and are the foundations of the more modern versions. His cosmology was off track because he didn't have the instruments, like the telescope, needed to collect the needed data. His physics was sound for the particular phenomena he was trying to explain, as this article explains: http://arxiv.org/pdf/1312.4057v2.pdf http://arxiv.org/pdf/1312.4057v2.pdf