It seems like almost yesterday that a teacher told me when I was very young, that the Milky Way was the very end of our ...

the recessional velocity of a galaxy is typically determined by measuring redshift, a shift in the light it emits toward the red end of the visible light spectrum. The discovery of Hubble's law is ...

From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics ...

The law was the result of three experiments by ... to study the light glimmering from distant galaxies in 1929, Edwin Hubble made a surprising observation: The light from the distant galaxies ...

The answer to the question as to the nature of the nebulae was still in doubt. Enter Edwin Hubble. This collage highlights the Cepheid variable star first spotted on a glass plate taken by Edwin ...

Through the early 1900s, astronomers disagreed on whether the universe was home to a multitude of galaxies, so-called “island universes,” or contained entirely within the boundaries of the Milky Way ...

Recent observations by Hubble reveal its explosive behaviors, shedding light on stellar dynamics and element distribution across the universe. The time-lapse from 2014 to 2023 showcases its rapid ...