The belt of satellites and debris surrounding our planet has just received its first formal "health assessment." The European ...

Saturn's moon Titan appears to be a very active place, with evidence of liquid hydrocarbon rains and surface features, along with things like mountains and dunes of some sort. But all of that's on the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. As a result of 50 years of spaceflight, the useful orbits around Earth are littered with derelict ...

Virginia-based Orbital Sciences holds a $1.9 billion NASA contract to make eight unmanned supply runs to the International Space Station with its Antares rocket and Cygnus cargo ferry. They launch ...