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Many of the most dramatic cosmic events take the form of explosions, from asteroid impacts to the Big Bang itself. Here are some of the most spectacular examples
How dead plants and animals decay, and how living organisms rely on this natural process to survive
Adrian Thomas pieces together the garden ecosystem
Asteroids rich in rare elements could be harvested for their valuable contents, but the real worth may be in using them as interplanetary fuel stations
Explore the variety of ice types found in nature, their properties and how they form