Fourth moon discovered around Pluto

Quite by accident, astronomers using the Hubble Space Telescope have discovered a fourth moon orbiting the (dwarf) planet Pluto.

Hubble telescope celebrates 21st birthday in style

This week, the Hubble Space Telescope turned 21! Shots? Well, not for this special birthday.

Bizarre cosmic explosion observed

Astronomers are poring over data from what they say is one of the most puzzling cosmic blasts ever observed.

NASA finds its most distant galaxy yet

Astronomers at NASA are peering ever further away into the universe, and have now discovered their most distant galaxy yet.

Hubble snaps glowing green space cloud

Hubble scientists have released a picture of a strange green blob floating near a neighboring spiral galaxy.

Hubble snaps 'Christmas tree bauble'

New images from the Hubble Space Telescope show an appropriately festive-looking bubble of gas in our neighbouring galaxy, the Large Magellanic Cloud.

Astronomers look 10,000 years into the future

Astronomers have long used powerful telescopes to peer into the past. But now, NASA and ESA are using the Hubble Space Telescope to look thousands of years into the future.

Most distant galaxy yet is identified

Scientists have discovered the most distant - and oldest - galaxy yet, viewing it just 600 million years after the Big Bang.

New telescope set to be ten times more powerful than Hubble

The world's most powerful telescope - a ground-based one, no less - has made its first set of observations.

Hubble just gets better with age

The Hubble Space Telescope celebrates its 20th birthday today with the release of another photo that could come straight from the cover of a 1970s prog rock album.

Hubble discovers mystery object orbiting brown dwarf

Astronomers have discovered a planet-like object circling a brown dwarf that appears to have formed much more quickly than was previously thought possible.

Milky Way is full of alien invaders

Around a quarter of the star clusters in our galaxy sneaked their way in from other galaxies, according to scientists from Swinburne University of Technology in Australia.

Hubble reveals creation of massive galaxy

There's slow developers everywhere, and the Hubble space telescope has discovered the astronomical equivalent: a group of small, ancient galaxies that have waited 10 billion years to get round to building a large elliptical galaxy.

Hubble reveals best pictures yet of Pluto

The latest set of pictures from NASA's Hubble Space Telescope provide the most detailed images yet of Pluto.