Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Leavitt is a high performance computing cluster (HPCC) named in honor of Henrietta Swan Leavitt (left), an American astronomer whose discoveries at the turn of the 20th Century helped shape our ...

There are no tape-measures in space, but by the early 20th century Henrietta Swan Leavitt had discovered that the pulsation period of Cepheid variables is directly tied to their luminosity.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Silent Sky tells the story of pioneering astronomer Henrietta Swan Leavitt and explores a woman’s place in society during a time of immense scientific and heart-bound discoveries. A decade ...