Artwork conceptualising the expanding and accelerating Universe. Since the 1990s, astronomers have known that the Universe is not only expanding, but that the rate of expansion itself is accelerating. This is postulated to occur due to a mysterious d...

Animation of a flight into a dense cloud of dust within a bright emission nebula. Emission nebulae glow pink due to ionisation of the hydrogen gas they contain by the radiation from hot young stars recently born within them. The densest regions of ga...

... lky Way, these black holes may be dormant. But in active galaxies such as quasars and Seyfert galaxies, those with unusually bright central regions, the black hole is probably feeding off a vast accretion disc - a donut-shaped gas cloud. The gas in t ...

In this artwork we find ourselves floating within the glorious ring system of the gas giant, Saturn. The ring particles are made almost entirely of water ice - which is why they are so bright - and range in size from about a centimetre to a few metre...