It was scheduled to launch in 2007, but the 13m-long, 20-tonne laboratory is finally in position.
The UK is already undergoing disruptive climate change with increased rainfall, sunshine and heat.
The Orbital O2, which is anchored off Orkney, has the capacity to meet the annual power demand of 2,000 homes.
As lion populations decline across much of Africa, could community-led conservation help reverse this trend?
The billionaire offers to pay $2bn in Nasa costs to be reconsidered for a key Moon lander contract.
The first in-person climate meeting in 18 months sees tentative progress, but not enough.
Cities across the world are at risk of extreme rainfall overwhelming their streets