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NOVA | Invisible Universe Revealed

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Preview Follow the historic rescue of Hubble—the space telescope that unveiled the cosmos.

Watch Wednesday, August 12, 2015 at 9pm on WMHT TV

Contribute for the DVD or NOVA Space Exploration 4-DVD Collection

Twenty-five years ago, NASA launched one of the most ambitious experiments in the history of astronomy: the Hubble Space Telescope. In honor of Hubble’s landmark anniversary, NOVA tells the remarkable story of the telescope that forever changed our understanding of the cosmos and our place in it. But amazingly, when the telescope first sent images back to earth, it seemed that the entire project was a massive failure; a one-millimeter engineering blunder had turned the billion-dollar telescope into an object of ridicule. It fell to five heroic astronauts in a daring mission to return Hubble to the cutting edge of science. NOVA hears from the scientists and engineers on the front line who tell the amazing Hubble story as never before. This single telescope has helped astronomers pinpoint the age of the universe, revealed the birthplace of stars and planets, advanced our understanding of dark energy and cosmic expansion, and uncovered black holes lurking at the heart of galaxies. For more than a generation, Hubble’s stunning images have brought the beauty of the heavens to millions, revealing a cosmos richer and more wondrous than we ever imagined. Join NOVA for the story of this magnificent machine and its astonishing discoveries.

Phylogenetic trees can tell us where medical problems come from, and how to fight them.

PBS Nature News

Episode 2 | Into the Americas

In the second part of The Story of Cats, we discover how cats first crossed from Asia into North America and how they went on to become the top predators of the...

Submit Your Photos of Cats Watching NATURE!

The NATURE mini-series The Story of Cats features cats from around the world, from the lush jungles of Asia to snow swept peaks of the Himalayas to the comfort of our...

NOVA scienceNOW News

Five Reasons to Eat Insects

Save room for bugs! They're the future of green cuisine.