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 ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the ...

Edwin Powell Hubble is renowned for determining that there are other galaxies in the Universe beyond the Milky Way, and for observing that the universe is expanding at a constant rate. Hubble was ...

Astronomers using the Hubble ... from the Telescope in February by the Discovery crew) could record the spectrum of only one star at a time, or the spectrum of only one location in a galaxy ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and can be seen with the naked eye on a clear autumn night as “a faint ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied ... A century ago, Edwin Hubble first established that this so-called 'spiral nebula' was actually ...

Dr Edwin Powell Hubble, who lends his name to the iconic Hubble Space Telescope, was one of the leading astronomers of the twentieth century. Born 135 years ago today on 20 November 1889 ...

Hubble enters the fray Edwin Hubble joined the Mount Wilson Observatory team in California in 1919, just two years after the observatory’s Hooker Telescope, which was the largest telescope in ...

But 100 years ago, astronomer Edwin P. Hubble (1889-1953), working ... In 1990, NASA launched the famous Hubble Space Telescope, sending it 353 miles out from the Earth. The photos from the ...

Today, NASA's Hubble Space Telescope pushes the frontiers of knowledge over 10 times farther than Edwin Hubble could ever see. The space telescope has lifted the curtain on a compulsive universe ...