Hubble and its fellow observatories give us an unprecedented, crystal-clear look at the far reaches of the cosmos. Explore these orbiting pioneers and learn what they've discovered. 3 min read The ...

The Hubble Classification, also known as the Hubble Sequence, is a widely recognized method for systematically categorizing galaxy morphology. Galaxies are classified into elliptical, lenticular ...

The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to ...

This NASA/ESA Hubble Space Telescope reveals clouds of gas and dust near the Tarantula Nebula, located in the Large Magellanic Cloud about 160,000 light-years away. ESA/Hubble & NASA, C.

A brown dwarf does fuse some elements, but the fusion of hydrogen to helium in particular is what defines a "main sequence" star ... Why would that be? Well, Hubble observations may have ...

Photo: Andromeda nebula plate with Hubble's handwritten circle around the variable star he discovered In 1919 American astronomer Edwin Hubble began work at the Mount Wilson Observatory in ...

A new image from the Hubble Space Telescope captures the colorful, wispy clouds near the Tarantula Nebula, which is located about 160,000 light-years from Earth in the Large Magellanic Cloud ...