Scientists with the European Space Agency (Esa) say the day when flowers bloom on the Moon has come closer.
An Esa-linked team has shown that marigolds can grow in crushed rock very like the lunar surface, with no need for plant food.
Some see growing plants on the Moon as a step towards human habitation.
But the concept is not an official aim of Esa, and one of the agency's senior officials has dismissed the idea as "science fiction".
More: http://news.bbc.co.uk/2/hi/science/nature/7351437.stm
(Huh! Clearly one of ESA's "senior officials" needs educating... - Rick)