Space is getting crowded — humans have now placed over 20,000 satellites into orbit since the start of the space age, and ...

About a fifth are inactive, simply orbiting as as space junk. Over the last couple of decades, hundreds of these dead satellites have collided to create millions of pieces of shrapnel. That ...

A new study from MIT found that climate change will make space junk pileup—causing ripple effects across everything from weather tracking to broadband internet to national defense. A photo ...

Space junk is a "persistent hazard," scientists say. Climate change could threaten the future use of satellites and significantly reduce the number of spacecraft that can safety orbit Earth ...