The famous scientist made a lot of contributions in philosophy. He wrote extensively on Philosophy and Religion, Attributes of God, Origin of the Universe and Metaphysics and Psychology. As his keen interest in philosophy and jurisprudence he was nicknamed as “The jurisprudent philosopher”. He wrote Tuhafut al-Tuhafut in philosophy.
Apart from this he conducted astronomical observations in Morocco. At the age of 25. He observed a star which was never seen before. He believed that the moon is opaque and obscure and he also gave descriptions on sunspots.