Ancient Greek astronomer Aristarchus was the first who presented the heliocentric system, maintaining that the Earth revolves around the Sun.

In a recent paper that has yet to be peer reviewed, a team of astronomers used the Keck data to confirm “previously reported ...

The Leiden Sphaera — the dynamic model of the solar system pictured above — was built around 1670 by Dutch clockmaker Steven Tracy. The impressive cosmic model measures 1.5 meters across, and is ...

Copernicus’ began developing his theory of a heliocentric universe in the early 1500s and published his model in 1543 in “De revolutionibus orbium coelestium” (“On the Revolutions of the Heavenly ...

A new analysis of our solar system’s interstellar interloper, 3I/ATLAS, reveals that it’s spewing huge amounts of water — and ...

Nicolaus Copernicus: An Essay on his Life and Work. By Fred Hoyle — Nearly everyone is ready to honour Copernicus, yet very few can explain exactly what he achieved. “His heliocentric picture of the ...

The heliocentric theory is the idea that the Sun is at the centre of the solar system and that everything else – planets, asteroids, comets and the rest – revolves around it. Prior to heliocentrism, ...