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

On the night of October 5-6, 1923, Carnegie astronomer Edwin P. Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of the Mount Wilson Observatory. This plate, ...

The Eaton Fire reached the grounds of the Mount Wilson Observatory, the place where a century ago Edwin Hubble discovered the existence of galaxies beyond the Milky Way and that the universe is ...

Carnegie's Allan Sandage is awarded the Crafoord Prize for his "contributions to the study of galaxies, their populations of stars, clusters and nebulae, their evolution, the velocity-distance ...

Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...

Magazine. Eric Ryan Anderson Lainey Wilson's upcoming tour is sure to be a whirlwind. The country star is packing up her bell bottoms to embark on her upcoming Whirlwind World Tour. She made the ...

Astronomers using NASA's Chandra X-ray Observatory found that this pulsar, known as PSR J0357+3205 (or PSR J0357 for short), apparently has a long, bright X-ray tail streaming away from it.

The government space agency has vocally promoted diversity and inclusion for decades, even during the first Trump administration. By Kenneth Chang Orbital dynamics show that President Trump’s ...

The blaze threatened the observatory and communications infrastructure at the peak. Later, an observatory official said it appeared to be under control. The Mars Sample Return effort was billions ...

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