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...

... o are massive worlds, probably rocky, each around four times the mass of the Earth. The innermost world, Draugr, seen at the beginning of the clip, is much smaller, with only 0.02 Earth masses. The rapid spin of the pulsar has been greatly slowed dow ...

... ward in time and watch as the water evaporates and Mars transforms into a dead world. Speculative vegetation is shown at the beginning of the clip. Commissioned by Dave Brody for Magellan TV. ...

... o are massive worlds, probably rocky, each around four times the mass of the Earth. The innermost world, Draugr, seen at the beginning of the clip, is much smaller, with only 0.02 Earth masses. The rapid spin of the pulsar has been greatly slowed dow ...

Archaean Earth. Illustration of the Earth as it may have been in the Archaean Eon (3.8 to 2.5 billion years ago) in its early history. At this time there was considerably more volcanic activity on Earth, its crust was beginning to cool and its heat f...

Archaean Earth. Illustration of the Earth as it may have been in the Archaean Eon (3.8 to 2.5 billion years ago) in its early history. At this time there was considerably more volcanic activity on Earth, its crust was beginning to cool and its heat f...