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The latest news about astronomy, space and the NASA/ESA Hubble Space Telescope presented in High Definition is only for devices that play High Definition video (not iPhone or iPod). To watch the Hubblecast on your iPod and/or iPhone, please download the Standard Definition version also available on iTunes.
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Hubblecast 38: Hubble in popular culture
09/01/2010 09:00 AM
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 When Hubble was launched in 1990, every astronomer knew it had an opportunity to make profound breakthroughs in science. A few realised its potential as a tool for inspiring people with awe for the Universe. But could anyone have predicted how deeply Hubble would become embedded in popular culture?
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Hubblecast 37: Bubbles and baby stars
06/22/2010 05:00 AM
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 This Hubblecast features a spectacular new NASA/ESA Hubble Space Telescope image - one of the largest ever released of a star-forming region. It highlights N11, part of a complex network of gas clouds and star clusters within our neighbouring galaxy, the Large Magellanic Cloud. This region of energetic star formation is one of the most active in the nearby Universe.
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Hubblecast 36: Gifts from the sky: honouring 20 years of Hubble
04/23/2010 04:00 AM
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 Throughout its 20-year career, while moving at a staggering 28 000 kilometres per hour, the NASA/ESA Hubble Space Telescope has made more than 930 000 observations and snapped over 570 000 images of 30 000 celestial objects. It has made more than 110 000 trips around our planet while collecting more than 45 terabytes of data, enough information to fill nearly 5800 DVD movies. Astronomers using Hubble data have published more than 8700 scientific papers, making it one of the most productive scientific instruments ever built. Join Dr J as he reviews the life of this prized observatory and presents it the Cosmic Lifetime Achievement Award for the scientific and artistic gifts it has given us.
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Hubblecast 35: The stuff of legend
04/15/2010 07:45 AM
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 Gearing up for the 20th anniversary of the legendary space observatory, Dr. J takes a look at the story of the NASA/ESA Hubble Space Telescope. Born of an ambitious idea, it took decades for Hubble to become a reality. The project was complex and often faced huge setbacks but, ultimately, the powerful telescope took to the skies aboard the Space Shuttle Discovery on 24 April 1990.
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Hubblecast 34: Hubble snaps heavyweight of the Leo Triplet
04/08/2010 10:00 AM
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 Hubble has snapped a spectacular view of M66, the largest "player" of the Leo Triplet, and a galaxy with an unusual anatomy: it displays asymmetric spiral arms and an apparently displaced core. The peculiar anatomy is most likely caused by the gravitational pull of the other two members of the trio.
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Hubblecast 33: Saturn's stunning double show
02/11/2010 10:00 AM
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 In January and March 2009, researchers using Hubble took advantage of a rare opportunity to record Saturn when its rings are edge-on, resulting in a unique movie featuring both of the giant planet's poles. Saturn is only in this position every 15 years or so and this favourable orientation has allowed a sustained study of the two beautiful and dynamic aurorae, Saturn's own northern and southern lights.
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Hubblecast 32: Born in Beauty: Proplyds in the Orion Nebula
12/14/2009 10:00 AM
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 Visible to the naked eye, only 1500 light-years from Earth, the great Orion Nebula has been known and revered since ancient times. A popular target of Hubble, researchers have now identified 42 new discs within it that could be the beginnings of new planetary systems like our own.
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Hubblecast 31: Sky merger yields sparkling dividends
10/13/2009 04:00 AM
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 A recent NASA/ESA Hubble Space Telescope image captures what appears to be one very bright and bizarre galaxy, but is actually the result of a pair of spiral galaxies, like our own Milky Way, smashing together at incredible speeds. This object was a target of Hubble's and a handful of its "sibling" spacecraft as part of a massive comprehensive sky survey called GOALS.
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Hubblecast 30: Rebirth of an icon
09/09/2009 11:00 AM
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 After more than three months of calibration and testing, the NASA/ESA Hubble Space Telescope is re-opening its rejuvenated eyes to begin probing the Universe once again. Dr. J reveals the stunning new images and the fascinating science behind them.
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Hubblecast 29: Mission Accomplished: Healing Hubble
06/22/2009 09:00 AM
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 The fifth and final mission to the iconic Hubble Space Telescope was a long time coming. After a delay in the fall of 2008, spring brought new hope and, on 11 May, the seven Space Shuttle crew members headed for the mission of a lifetime.
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Hubblecast 28: The fifth and final Hubble servicing mission
05/01/2009 05:30 AM
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 Shuttle astronauts will visit the Hubble Space Telescope for the final time in May 2009. In five bold and daring spacewalks, they will upgrade Hubble's instruments allowing it to continue making remarkable scientific discoveries well into the next decade.
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Hubblecast 27: What has Hubble taught us about the planets?
04/29/2009 12:00 PM
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 For nineteen years, NASA/ESA' s Hubble Space Telescope has made some of the most dramatic discoveries in the history of astronomy but it has also helped scientists learn more about our own Solar System. From its vantage point 600 km above the Earth, Hubble has studied every planet in our Solar System except Mercury where light from the Sun would damage its instruments.
Hubble has captured the impact of a comet on Jupiter, immense storms on Neptune and even tiny dwarf planets at the edge of our Solar System. The veteran telescope keeps a watchful eye on our solar backyard.
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Hubblecast 26: Exceptionally deep view of strange galaxy
02/05/2009 06:00 AM
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 A spectacular new image of an unusual spiral galaxy in the Coma Galaxy Cluster has been created from data taken by the Advanced Camera for Surveys on the NASA/ESA Hubble Space Telescope. It reveals lots of new details of the galaxy, NGC 4921, as well as an extraordinary rich background of more remote galaxies stretching back to the early Universe.
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Hubblecast 25 Special: What's Next?
12/15/2008 09:00 AM
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 In this new Hubblecast Special episode, Dr. J guides us through the seventh chapter of Eyes on the Skies, the International Astronomical Union's movie celebrating the telescope's 400th anniversary in 2009.
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Hubblecast 24 Special: Beyond Earth
12/11/2008 10:30 AM
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 In this new Hubblecast episode, Dr. J guides us through the sixth chapter of Eyes on the Skies, the International Astronomical Union's movie celebrating the telescope on its 400th anniversary in 2009.
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Hubblecast 23 Special: Seeing the invisible
11/25/2008 10:00 AM
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 In this new Hubblecast episode, Dr. J guides us through the fifth chapter of Eyes on the Skies, the International Astronomical Union's movie celebrating the telescope on its 400th anniversary in 2009.
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Hubblecast 22: Hubble directly observes planet orbiting Fomalhaut
11/13/2008 02:30 PM
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 The NASA/ESA Hubble Space Telescope has discovered an extrasolar planet, for the first time using direct visible-light imaging. The strange world is far-flung from its parent star, is surrounded by a colossal belt of gas and dust, and may even have rings more impressive than Saturn's.
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Hubblecast 21 Special: From silver to silicon
11/13/2008 09:00 AM
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 In this new Hubblecast episode, Dr. J guides us through the fourth chapter of Eyes on the Skies, the International Astronomical Union's movie celebrating the telescope on its 400th anniversary in 2009.
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Hubblecast 20 Special: Technology to the rescue
09/25/2008 12:00 PM
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 In this new Hubblecast episode, Dr. J guides us through the third chapter of Eyes on the Skies, the International Astronomical Union's official movie celebrating the telescope on its 400th anniversary in 2009.
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Hubblecast 19 Special: Bigger is better
09/03/2008 04:00 AM
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 In this new Hubblecast episode, Dr. J guides us through the second chapter of Eyes on the Skies, the International Astronomical Union's official movie celebrating the telescope on its 400th anniversary in 2009.
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Hubblecast 18: Hubble sees magnetic monster in erupting galaxy
08/20/2008 01:00 PM
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 The Hubble Space Telescope has solved a long-standing puzzle by resolving giant but delicate filaments shaped by a strong magnetic field around the active galaxy NGC 1275. It is the most striking example so far of the influence of the immense tentacles of extragalactic magnetic fields.
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Hubblecast 17 Special: New views of the skies
07/25/2008 10:00 AM
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 In this new Hubblecast episode, Dr. J guides us through the first chapter of Eyes on the Skies, the International Astronomical Union's official movie celebrating the telescope on its 400th anniversary in 2009.
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Hubblecast 16: Galaxies gone wild!
04/24/2008 09:00 AM
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 One of the big mysteries in astronomy is how galaxies grow and evolve over time. Collisions between galaxies are thought to be key events that shape their development. A stunning collection of 59 new images of colliding galaxies has been released to mark the 18th anniversary of the NASA/ESA Hubble Space Telescope. They give us a unique insight into how galaxies collide to form larger galaxies.
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Hubblecast 15: Black hole found in enigmatic Omega Centauri
04/02/2008 09:00 AM
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 For astronomers, Omega Centauri has been an outcast amongst globular clusters for a long time. A new result obtained by the NASA/ESA Hubble Space Telescope and the Gemini Observatory provides a surprising explanation for Omega Centauri's peculiarities.
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The NASA/ESA Hubble Space Telescope has made the first detection ever of an organic molecule in a planet orbiting another star. This breakthrough is an important step in eventually identifying signs of life on a planet outside our Solar System.