... sses contributed - the chemical make-up of the water found in comets and asteroids differs from that found in our oceans, so impacts alone are an unlikely explanation. ...

Artwork of a small meteoroid impacting the surface of the Moon. Impacts are much less common now than billions of years ago; yet they still occur, because the Moon has no atmosphere to slow down or destroy incoming missiles....

Between 4.1 and 3.8 billion years ago, the Solar System was in turmoil. Known as the Late Heavy Bombardment, the period was characterized by an enhanced rate of asteroid impacts in the inner Solar System - remnants from the planet building processes ...

Artwork depicting Mars during its Noachian Period, roughly 4100-3700 million years ago. The period is characterised by high rates of meteorite impacts, volcanism and possibly abundant surface water - however, the water is thought to have been localiz...

Artwork depicting Mars during its Noachian Period, roughly 4100-3700 million years ago. The period is characterised by high rates of meteorite impacts, volcanism and possibly abundant surface water - however, the water is thought to have been localiz...

Artwork depicting Mars during its Noachian Period, roughly 4100-3700 million years ago. The period is characterised by high rates of meteorite impacts, volcanism and possibly abundant surface water - however, the water is thought to have been localiz...