"Since all of the possibilities of a terrestrial origin have been either ruled out or seem improbable, and since the p…"

"Ibn al-Shatir’s forgotten model was rediscovered in the late 1950’s by E. S. Kennedy. .. In a preliminary work, the C…"

"Some of the al-Tusi material is known to have reached Rome in the 15th century... but there is no evidence that Coper…"

"Mainstream geology is founded upon enunciated by James Hutton (1726–1797) and Charles Lyell (1797–1875), who argued t…"

"In August, 1933, at the in Chicago, was founded with an enrollment of 57 charter members and and as the first Preside…"

"Since the opening of the , images from have enabled us to map the surfaces of all the rocky planets and in the Solar …"

"We are at an interesting juncture in cosmology. With new methods and technology, the accuracy in measurement of the h…"

"The , which measures the , together with the total energy density of the Universe, sets the size of the observable Un…"

"... after finishing my postdoc, I became a faculty member at , and then ended up being the scientific leader of this …"

"There are in astronomy refinements of method, both practical and theoretical, which can be appreciated only by rare g…"