Space farming is difficult business – plants don’t grow well in zero gravity and harsh radiation damages seeds – but if researchers can get it right, it could provide food, clean water, and oxygen for manned missions far from earth.
It isn’t easy to spot planets far away in our galaxy – normally we can only infer their presence, from the effect they have on their host stars. But now a group of astronomers has demonstrated an easier way to study distant worlds, by detecting the first visible light reflected off an exoplanet.
The Philae probe landing on comet 67P/Churyumov–Gerasimenko on 12 November was awe-inspiring, but the main science phase of Rosetta is yet to come, said Dr Colin Snodgrass, the coordinator of the mission’s ground-based observation campaign and lead scientist on the EU-funded ISANDAL project, speaking from the European Southern Observatory in Chile.
Large fires are increasingly common in the Mediterranean region.
Where does one start to fix a broken society?
Destruction of cultural heritage sites can be a war crime as they form part of people's emotional landscape, according to Dr Margarete van Ess.