LIGHTHAVEN, ONE kilometre down Telegraph Avenue from the campus of the University of California, Berkeley, is a rambling conference facility which dedicates itself to “hosting events and programmes ...

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

Landing on Mars once felt like a distant dream. Now, space agencies have sent rovers and landers to explore the Red Planet for decades. Scientists worldwide are thinking about how to make Mars a ...