Just how much do density and green space affect urban energy use? It depends on where you live.
'Tsunami' of gravitational waves sets record for most ever space-time ripples detected
The first 'space hotel' plans to open in 2027. Orbital Assembly Corporation has announced plans to open a space hotel by 2027. As the first of its kind, Voyager Station is slated to be a luxury resort designed to accommodate 280 guests and 112 crew members.