Artwork of an imaginary planetary nebula. This is a glowing shell of gas cast off by a star near the end of its life. The star can be seen at the centre of the nebula. The Sun will one day form a planetary nebula, once its internal stock of hydrogen ...

Artwork depicting a so-called micronova. This is an entirely new phenomenon in astrophysics, reported by astronomers at the University of Durham in the UK. They are highly explosive events that occur in a subsclass of cataclysmic binaries called inte...

A portion of the cosmic web. The various clumps that are already bound at this time will remain so, but clumps that are not mutually bound together will never become so....

The future. Spaceships from Earth arrive at a pristine world, intent on colonisation. The ships have spinning sections to provide artificial gravity to those on board not in hypersleep. Could this be the future of humanity?...

The future. Spaceships from Earth arrive at a pristine world, intent on colonisation. The ships have spinning sections to provide artificial gravity to those on board not in hypersleep. Could this be the future of humanity?...

Artwork of alien plants, giant fungi and flying creatures on a hospitable foreign world....

Artwork of astronauts on the Red Planet, Mars, some time in the future....

The Earth-Moon system, seen from a vantage point beyond the Moon. This side of the Moon is never seen from the Earth, because of synchronous rotation. This means that the Moon rotates on its axis once a month, exactly the same as its period of revolu...

An impression of the Earth and Moon as seen in space. Cities are seen glowing on the night side....

Space hotel. Artwork of a futuristic space hotel in Earth orbit. The structure is circular and spins at such a speed as to provide artificial gravity for its inhabitants....