Let's rewind the clock back…oh, I don't know, let's say a hundred years. It was 1917, and Einstein had just developed his ...

Last time I wrote about new data that overturns the standard cosmological model. Before anyone starts dusting off their ...

Edwin Hubble redefined the universe and Brazil declared a republic, amid other landmark events shaping history and science ...

A century ago, a star in Andromeda named V1 launched a revolution in astronomy, revealing its true immensity and the origin ...

Recent findings suggest a potential shift in our understanding of the universe’s expansion. After decades of acceleration, ...

There is physically, absolutely zero way that we will ever know how large the universe is,” says Sara Webb, an astrophysicist at Swinburne University of Technology. Yet what astronomers can measure is ...

Scientists estimate over 100 billion galaxies in the universe, each unique in shape and size, revealing the vastness of cosmic creation.

For decades, it was assumed that the expansion of the universe was accelerating—a theory that won the Nobel Prize. Now, ...

Hubble's reputation has been recently tarnished by suggestions that he, or an ally, ensured that Georges Lemaitre, a little-known Catholic priest and mathematician in Brussels, failed to get credit ...

It's been 35 years since Hubble came online, so in honor of the intrepid telescope's 35th anniversary, we've put together this gallery of our favorite Hubble images. The Hubble Space Telescope was ...

A century ago, Edwin Hubble began the race to the edge of the cosmos Damond Benningfield In 1930, Albert Einstein met with astronomers (including Edwin Hubble, at Einstein's left, back row) at Mount ...