It might be hard spotting Venus on Valentine's Day because of cloudy weather. February, however, is still the best month to see it.

He is particularly focused on archaeology and paleontology, although he has covered a wide variety of topics ranging from astronomy and ... uncovered a rare ancient Roman artifact that has ...

Claudius Ptolemy was a Greek mathematician, astronomer and geographer who lived in the Egyptian city of Alexandria while under the rule of the Roman Empire. Much of medieval astronomy and ...