The Hayabusa-2 probe descended to the Ryugu asteroid to try to collect a sample from its surface.
A UN report says the plants, animals and crops crucial to human food systems are in global decline.
The privately financed Beresheet robot leaves Earth on its mission to land on the lunar surface in April.
The students recycling clothes for London Fashion Week
How sustainable are your fashion habits? Take our quiz
One small Malaysian town's battle with waste
Europe's Mars mission celebrates DNA pioneer
West Virginia coal country has a decision to make
The secret past of the plants that grow in our back gardens
15 sayings from around the world