On March 12, a defunct Nasa satellite, weighing nearly 600kg, fell from orbit and burned up over the Pacific. It had run out fuel in 2019. Estimates show at least three such old satellites fall back ...

As more satellites are launched into the atmosphere, they add to a growing problem – space junk circling the Earth. A satellite made of wood will burn up without releasing harmful substances into the ...

Space is the final frontier. Much of humanity's greatest scientific and engineering efforts have been put forward to try to get mankind further and further into space. However, the journey there has ...