Astronomy, Mars | featured news

Astronomers calculate there is a tiny chance that Mars or Venus might collide with Earth - though not for at least a billion years.

Rocks from Mars could be brought to the UK within the next 20 years, if a bid to host a study facility is successful.

The largest volcano on Mars may hold water and the possibility of life.

Mars appears to have had running water on its surface about one million years ago, according to new evidence.

Scientists have discovered methane in Mars' atmosphere, raising the possibility that life might exist on the planet.