When Alexander the Great conquered Egypt in 332 BCE, he signaled the beginning of the era of Ptolemaic rule. His general ...

places Ibn al-Shatir's cosmological model at the forefront of astronomical achievements in the Islamic scientific tradition. "Ibn al-Shatir was the first astronomer to have successfully challenged the ...

Did Copernicus borrow his cosmological theory from an earlier Muslim scientist? New research finds striking resemblance between Copernicus’s heliocentric treatise and a Muslim scientist’s cosmological ...