In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Edwin Hubble was young and ambitious ... His measurements marked the end of the Great Debate about the Milky Way’s size and the nature of the nebulae. Hubble wrote about his discovery to Harlow ...

In an era defined by extreme geopolitical volatility, where our future as a global society feels more unpredictable than ever ...

Edwin Hubble was young and ambitious ... His measurements marked the end of the Great Debate about the Milky Way’s size and the nature of the nebulae. Hubble wrote about his discovery to ...

Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, ...

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

When Edwin Hubble arrived at Mount Wilson Observatory in California ... The numbers made one thing clear: the Milky Way was not alone. “Here is the letter that destroyed my universe,” said Harlow ...

The telescope will be able to look at a patch of sky 100 times larger than both the Hubble Space Telescope and the James ... new surveys of the structure of the Milky Way; and new studies of dark ...