SpaceTurn satellites into sparkling fireworks to burn up space junk Satellite debris that falls to Earth could be deadly, but pellets made of a heat-generating mixture could help them burn up safely in the atmosphere ¿ìè¶ÌÊÓÆµ
SpaceKatherine Johnson: The brilliant woman who got the US into space In deeply divided 1950s America, how did a black woman become the one person astronauts would trust to get them into orbit? Discover Katherine Johnson's amazing story Features