The first publication by Galileo Galilei has set a new auction record for the celebrated astronomer, selling for $1.5 million ...

Sunspots are the most striking phenomenon of the solar magnetic field. After the invention of the telescope early in the 17th ...

Galileo continued writing in conversational language for his landmark 1632 work, Dialogo sopra i due massimi sistemi del ...

The effect challenged the teachings of the Roman Catholic Church but led to the birth of modern astronomy.</p> <p>Galileo, who was not the first to create a telescope, improved his "optick tube ...

Italian astronomer Galileo Galilei was among the first to point such spyglasses at the sky. Johannes Kepler, a German astronomer, improved upon the convex-concave design with a pair of convex lenses.

In the early 1600s, Dutch spectacle maker Jan Lippershey discovered that combining lenses could magnify distant objects. Galileo Galilei quickly improved the designs and became the first to ...

When Italian astronomer Galileo Galilei heard rumors of the first practical telescope at the beginning of the 17th century, he was quick to craft his own version and turn it toward the heavens.

On July 30, 1610, the famous astronomer Galileo Galilei became the first to observe rings around the planet Saturn. Shortly after the telescope was invented in 1608, Galileo peered out into the ...

Galileo Galilei is arguably the most important scientist to ever live. He perfected the first telescopes, turned them toward the Universe and what he discovered changed the course of history ...

The effect challenged the teachings of the Roman Catholic Church but led to the birth of modern astronomy.</p> <p>Galileo, who was not the first to create a telescope, improved his "optick tube ...