Hayabusa-2: Japan spacecraft leaves asteroid to head home
Hayabusa-2 will return with samples of the asteroid after its yearlong journey back to Earth.
Author Archives: BBC News - Science & Environment
Venice floods: Climate change behind highest tide in 50 years, says mayor
A state of disaster is declared as the Italian city is hit with a high tide of more than 1.87m.
Could digging up the ocean floor help save the planet?
The seabed is rich in metals, but what damage could mining it cause?