How did a Cepheid variable star help Edwin Hubble prove the Andromeda Nebula was a galaxy? Roger BradySan Quentin, California ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

A previously unexplored globular cluster glitters with multicolored stars in this NASA Hubble Space Telescope image. Globular ...

Hubble captures forgotten globular cluster ESO 591-12 in rare detail ESO 591-12 sparkles with red and blue stars of varying ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Witness the breathtaking beauty of our home galaxy, the Milky Way, through 6 stunning images captured by NASA's Hubble Space ...

This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is ...

New data show a 50% chance the Milky Way won't collide with Andromeda. ... American astronomer Edwin Hubble calculated in 1929 that galaxies were moving away from the Milky Way, All of them ...

The Milky Way and Andromeda are part of a cluster of about 100 galaxies, held together by gravity, known as the "local group." For more than a century, scientists have known Andromeda is creeping ...

New study finds that the Milky Way has a 50-50 chance of colliding with neighboring galaxy Andromeda Astronomers now believe the Milky Way’s “inevitable” collision with a neighboring galaxy ...