An interactive map has recently highlighted the alarming increase in out-of-control rockets and spacecraft crashing back to Earth. This surge in uncontrolled reentries poses significant risks to ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be straightforward. Objects are still emitting light, and that light takes time to travel ...