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The Hubble telescope has come a long way in the 25 years since it beamed its first, grainy images back to earth. Here is a selection of its pictures, revealing stunning views across the galaxies.
NASA’s Hubble space telescope celebrates its 21st birthday with the release of the stunning image of two galaxies linked by a bridge of stars, creating a “rose” of galaxies.
Matt Frei
Fingers crossed, DSCOVR will fly in 2014, more than a decade after it should have been launched, a decade in which it could have provided crucial scientific information in one of the most important issues of our day.
Astronomers have discovered when the world will end. But luckily the earth’s collision with another solar system won’t be for another four billion years, as Science Editor Tom Clarke explains.
The space shuttle Atlantis has taken off for the last time taking four veteran astronauts into space and into the history books.
As the Atlantis prepares for the final mission of the space shuttle programme, an astronaut, a space policy analyst and a Nasa surgeon whose wife died on the Columbia reflect on the end of an era.
As final preparations are made for the Atlantis lift-off at the Kennedy Space Center, Channel 4 News Washington Correspondent Sarah Smith asks what Nasa’s space shuttle programme has achieved?
The top of a Chilean mountain is blown up to make way for a telescope that will look for life on other planets. Channel 4 News speaks to one of the men behind the E-ELT.
Ison, one of the brightest comets ever, is passing above us. It promises unique insights into the history of our planetary neighbourhood – though the full moon may obscure its visibility.
As the UK prepares for the hottest day of the year, be thankful we’re not on the “Azure planet”, where the temperature is 1,000 degrees and you risk getting caught in showers of glass.
A NASA unmanned science satellite films dramatic never-seen-before impages of the sun – including extreme close-ups of solar activity.