Through these discoveries came her most important contribution to the field: the study of cepheid variable stars in the Magellenic Clouds -- the Milky Way's two companion galaxies. By intense ...

Cepheid, a large biotechnology company known for single-use tests for various diseases like strep throat, is laying off 635 ...

Leavitt's work with variable stars led to her most important contribution to the field: the cepheid variable period-luminosity relationship. By intense observation of a certain class of variable ...