Quite by accident, astronomers using the Hubble Space Telescope have discovered a fourth moon orbiting the (dwarf) planet Pluto.
This week, the Hubble Space Telescope turned 21! Shots? Well, not for this special birthday.
Astronomers are poring over data from what they say is one of the most puzzling cosmic blasts ever observed.
Astronomers at NASA are peering ever further away into the universe, and have now discovered their most distant galaxy yet.
Hubble scientists have released a picture of a strange green blob floating near a neighboring spiral galaxy.
New images from the Hubble Space Telescope show an appropriately festive-looking bubble of gas in our neighbouring galaxy, the Large Magellanic Cloud.
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.
Scientists have discovered the most distant - and oldest - galaxy yet, viewing it just 600 million years after the Big Bang.
The world's most powerful telescope - a ground-based one, no less - has made its first set of observations.
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.
Astronomers have discovered a planet-like object circling a brown dwarf that appears to have formed much more quickly than was previously thought possible.
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.
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.
The latest set of pictures from NASA's Hubble Space Telescope provide the most detailed images yet of Pluto.