The object was initially spotted flying over Colombia on March 2 Scientists are currently studying a mysterious sphere that ...

Early telescopes were all refracting telescopes of the kind Galileo made. While they revolutionized the science of astronomy, they had some innate downsides. The act of refraction also causes ...

In the late 1500s, Florentine astronomer, physicist, and engineer Galileo Galilei theorized that mass does not affect gravitational pull, contradicting Aristotle. Galilei believed that all things fall ...

Harvard University professor Avi Loeb leads “The Galileo Project,” which seeks to find direct evidence of extraterrestrial life and technology rather than asking governments for what they have ...

The telescope and its magnifying power changed astronomy forever. Galileo's telescope allowed him to magnify the planets, just points of light to the unaided eye, into bright discs covered in ...

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 forever.

If you are interested in recording your observing efforts, the Astronomical League offers a program called Galileo’s TOES, where you observe each of these four phenomena (transits, occultations ...