THE preface to the first edition of Sir Thomas Heath's translation of Euclid's “Elements” begins with the following quotation from De Morgan: “There never has been, and until we see it we ...

THE appearance of a school edition of “Euclid's Elements,” published under the auspices of the Cambridge University Press, provokes reflections upon the strange position so long maintained in ...

But details about these “dark” elements of the universe remain a mystery. To shed light on these concepts, Euclid will image a wide range of galaxies. Dark matter will have bent the light from ...

The "dark universe detective" space telescope Euclid has discovered its first Einstein ring in the process, learning about ...

"This first strong gravitational lens discovered by Euclid has unique characteristics." The Euclid space telescope has, by chance, discovered its first Einstein ring, and it is absolutely stunning.