In the 5th century B.C., Empedocles and Anaxagoras offered arguments for the spherical nature of the Earth....
Astronomy
Anton Pannekoek was a Dutch astronomer whose politics informed his human approach to studying the cosmos. This...
The crowded night sky is posing problems for astronomers and astronauts. Introduction It seems like every week,...
Scientists have a good estimate on the staggering number of stars in the universe. Introduction Look up...
Gravity, mass, and centrifugal force all contribute to the final shape of a planet. The ancient Greeks proved over...
There is a place that we can go to learn more about the past of our own...
Billions of galaxies are in the universe, with billions of stars in every galaxy with planets around...
The Sun produces energy through core thermonuclear fusion reactions which converts hydrogen into helium – for now....
Astronomers know a lot about what’s in outer space – and think it’s possible it never ends....
The missions will use radar and a probe to learn about Earth’s hard-to-study and potentially prophetic neighbor....
Researchers just released data on more than 500 new bursts, quadrupling the total number of detected events....
“As these people would view the heavens … there was an order of things up there.“ Curated/Reviewed...
With all their inventions and discoveries, it seems like the world connived to shape the astronomy of...
During the 17th century, as knowledge of the Universe and its contents increased, so did speculation about...
How artists and scientists around the world once made sense of the night sky. While we all...
Thanks to the trend of publishing daily horoscopes in newspapers and magazines, every person in America knows...
A brief tour of some of the astronomical ideas and models from ancient Greece. Introduction As the...
In medieval times natural phenomena, such as comets and eclipses, were regarded as portents of natural disasters,...
2,500 years ago, Anaxagoras correctly determined that the rocky moon reflects light from the sun, explaining lunar...
Heavenly bodies and human fate have long been perceived as intertwined. ‘The stars (…) disclose for men...
Efforts were made with the discovery of instruments to list the stars, to measure distances and angles...
The Catholic Church didn’t finally officially recognize their own error until John Paul II in 1992. Introduction...
His work marked the starting point of modern astronomy and cosmology. Introduction Nicolaus Copernicus (February 19, 1473...
It was a matter of the right eclipse, the right place, and the right time. By Charles...
The blood moon myths are many and varied, but, at the end of the day, it’s just...
The moon might harbor bits of the Earth that blasted off our planet billions of years ago...
A virtual tour through our little space in the universe. Originally published by ESRI, republished with embed...
Copernicus caused a revolution in contemporary knowledge by stating that science, not religion, explains how the universe...
Faith, science, and stargazing influenced everyday decisions in the Middle Ages. Introduction Humankind has always looked to...
The observation of the sky was of considerable importance to the Maya, Aztecs and other prehisanic peoles...