Who’s Responsible for Space Junk? (infographic)
Russia is on the top
Reusable “Susie” spacecraft could launch future European deep-space missions
ArianeGroup's "Susie" is a fully reusable craft designed to fit future rockets, one of which is being made right now for Arianespace
Super-Earths are bigger, more common and more habitable than Earth itself
Astronomers are discovering more of the billions they think are out there