The Antikythera Mechanism is a unique Greek geared device, constructed around the end of the second century bc.It is known 1,2,3,4,5,6,7,8,9 that it calculated and displayed celestial information ...

Across history, ancient civilizations crafted prototypes for many of the modern mechanisms that have become integral to ...

In the Venus section, Jones found the number 462; in the Saturn section, he found the number 442. These numbers were astonishing. No previous research had suggested that ancient astronomers knew them.

Ancient Egyptian astronomers may have discovered variable stars, and calculated the period of a well-known one called Algol, thousands of years before Europeans -- and it was closely linked to the ...

The ancient Greeks also used geometry to compute the movement of stars and planets, but in a much more concrete way; for instance, if a Greek astronomer wanted to plot the orbit of a planet, he drew a ...

Diagram shows the mass of dark matter haloes around quasars at the heart of ancient active galaxies. (Image credit: Arita et al. CC BY) The nature of dark matter is a pressing problem for science ...

Astronomers Recreate Ancient Skies to Date a Nearly 2,600-Year-Old Greek Poem Researchers narrow down the dates for when the lonely poet Sappho wrote “Midnight Poem” ...

The ancient Greek poet Sappho was one of the most significant poets of antiquity, described by Plato as the “Tenth Muse,” but we know very little about her life. Estimates of her date of birth ...