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

The Hubble Space Telescope has captured this striking image of an unusual galaxy with a bullseye structure, as nine rings ...

Yet, a century ago, its discovery by Edwin Hubble, then an astronomer at Carnegie Observatories, opened humanity's eyes as to how large the universe really is, and revealed that our Milky Way ...

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

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

In recent years, trouble has been brewing in attempts to measure the universe's expansion, which is governed by the Hubble–Lemaître law. This tells us that the velocity at which a galaxy is ...

Determining the expansion rate of the universe—known as the Hubble constant—has been a major scientific pursuit ever since 1929, when Edwin Hubble first discovered that the universe was expanding.

Determining the expansion rate of the Universe -- known as the Hubble constant -- has been a major scientific pursuit ever since 1929, when Edwin Hubble first discovered that the Universe was ...

Yet, a century ago, its discovery by Edwin Hubble opened humanity's eyes as to how large the universe really is, and revealed that our Milky Way galaxy is just one of hundreds of billions of ...