Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

Dr. Richard Lieu, a physics professor at The University of Alabama in Huntsville (UAH), a part of The University of Alabama ...

Claudius Ptolemy was a Greek mathematician, astronomer and geographer who lived in the Egyptian city of Alexandria while under the rule of the Roman Empire. Much of medieval astronomy and ...

Don't blame me for the clickbait heading. Capitalizing on Dubya Bush's 2002 State of the Union address in which he singled ...

In studying the history of the universe itself, there is always a chance that we have ... We would need to find an entirely new cosmological model, one that works as well as our current one but that ...

AT the meeting on Monday of the Royal Geographical Society, Dr. H. Schlichter read a paper on “Ptolemy's Geography of Eastern Equatorial Africa.” Ptolemy, as a geographer, has received very ...

Now researchers have managed to recover the text written by Ptolemy on a parchment that suffered such a previous recovery attempt. Outermost six rings of the meteoroscope, not to scale.

Ptolemy was not the first classical author to describe Central Europe, and the territory of Bohemia, Moravia and Silesia in particular. The importance of his work is rather concerned with a list of ...