The World is Watching Cities, Now More than Ever
COP21 brought cities into the spotlight. C40 is proud to help shine that light a little brighter. Because cities and mayors are acting now, and we're right beside them as they become necessary leaders in this vital cause.Watch the mayors of Bogotá, C

SPACEX successfully lands reusable rocket onto a drone ship: “This was the fifth attempt in 15 months by SpaceX to land one of its rocket boosters on a drone ship; in each of the previous four tries, the rocket reached the ship successfully, but failed to stick the landing. During today’s landing, S

Atlantis has blasted off on NASA's last space shuttle launch. The historic liftoff occurred Friday morning,July 8th, 2011, 30 years and three months after the very first shuttle flight. Four astronauts are riding Atlantis to orbit. The shuttle is bound for the International Space Station, making on...

A private company has launched a spacecraft in a bold demonstration test for NASA. The Space Exploration Technologies rocket blasted off from Cape Canaveral on Wednesday morning. The Falcon 9 is carrying a capsule named Dragon. The company, known as SpaceX, hopes to place the capsule in orbit and th...