Exactly 35 years ago this week, the Hubble Space Telescope was released from the Space Shuttle Discovery cargo hatch. Four new images prove it's still going strong.

The Hubble Space Telescope "opened a new window to the universe" when it launched into space. Now, 35 years later, NASA is releasing some stunning images to celebrate.

In the years since, Hubble has gathered more than 1.6 million observations and 430 terabytes of data. The telescope has revealed that supermassive black holes nestle at the heart of most large galaxies,