Every big galaxy has a supermassive black hole at its center, but scientists are still trying to fully understand how these ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

The Hubble Space Telescope launched on April 24, 1990, aboard the Space Shuttle Discovery (STS-31), and deployed into Earth ...

In 1923, Edwin Hubble captured a pulsing star within the Andromeda Galaxy on ... time as we know it breaks down. A black hole devours material from its galaxy, and a border known as the event ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from ...

1st conclusive evidence of black holes at galactic centers (1994 ... A panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away, requiring over 600 Hubble overlapping ...

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has ...

Thirty-five years ago today a revolutionary new era of astronomy began when the Hubble Space Telescope, tucked onboard the ...