These two stars spin around each other once every 6.91 minutes
Planet
Iceland receives a ‘letter to the future’
A memorial plaque to the lost glacier Okjökull offers a challenge to humanity
Planet
You’ll love this ‘shiny’ new pocket shark
Adorable (yes, adorable!) species of shark can shoot out luminous, glowing fluid
Science and Tech
Check out the solar-powered device that removes salt from water
Invention could mean clean drinking water for communities with unreliable access to electricity
Science and Tech
Lightsail 2 spread its ‘wings’ in Earth orbit
Solar sailing technology is considered our best hope to reach other solar systems
Science and Tech
Great apes bond over videos, study claims
The favourite videos of the chimpanzees in the study? Videos of other chimps, of course!