Henrietta Swan Leavitt, an astronomer ahead of her time, discovered the relationship between a star’s brightness and its fluctuation period. This breakthrough allowed Edwin Hubble to measure galaxy ...

“We [will be able to] move quickly and map out very large areas of the sky,” adds Josh Schlieder, the telescope’s wide-field ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

Astronomers have released the most detailed image of the Andromeda galaxy with new clues about its evolutionary history to celebrate the 100th anniversary of Edwin Hubble's discovery that our ...

Hubble leveraged a discovery made by Henrietta Swan Leavitt ... when the universe was 20 times smaller than it is now. Edwin Hubble would be amazed to see such progress. Got a question?

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images ...

SINGAPORE – It may not always be possible to find common ground as Singapore’s society changes, said Minister for Culture, Community and Youth Edwin Tong. “But the goal should always be to ...