What is driving the mulitverse theory? Are the multiverse stories only a sticky-plaster solution to the Big Bang theory problem? Leading thinkers Sabine Hossenfelder, Roger Penrose and Michio Kaku debate.

“We see collisions happening. We see these debris clouds, it's only going to get worse. We can't ignore this problem. We have to act now.” A UK-based mission is set to remove junk from space. Using a giant claw, the CLEAR mission will remove two large pie...

This is what happens to aluminium when hit by a 14g piece of plastic going 24,000 km/h in space

This is the map of Africa. If you look to the South, you will see lush vegetation, with lots of greenery. However, when you go north, things are different. Covering multiple countries, it is the most gigantic desert globally, with miles and miles of dune...