Animation of erupting volcanoes, lava flows and storms on the primordial Earth. The Moon is seen in the sky through the clouds. At this early stage, the Moon was far closer to Earth than it is now. During the Archaean Eon of the Earth's past, between...

An artwork of the early Earth around 3.8 billion years ago, when its oceans were forming. Both the Moon (right) and the Earth are heavily cratered. There are two possible sources for Earth's water: it may have separated out from the rocks shortly aft...

Animation of erupting volcanoes, lava flows and storms on the primordial Earth. The Moon is seen in the sky. At this early stage, the Moon was far closer to Earth than it is now. During the Archaean epoch of the Earth's past, between 2.5-4 billion ye...

A vision of the landscape of Mars with water in the ancient past, when its atmosphere was thicker and warmer, seen from an altitude of a few hundred metres. This shows a view over a dried river estuary. There are hints of green, indicative of primiti...

A vision of the landscape of Mars with water in the ancient past, when its atmosphere was thicker and warmer. This shows a view over a canyon system and river. There are hints of green, indicative of primitive life....

A vision of the planet Mars covered in water in the ancient past, when its atmosphere was thicker and warmer. This shows a view over Valles Marineris, the largest known canyon in the Solar System. There are hints of green, indicative of primitive lif...

A vision of the landscape of Mars with water in the ancient past, when its atmosphere was thicker and warmer. This shows a view over a terrain of impact craters flooded by seas. There are hints of green, indicative of primitive life....