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INSTANT EXPERT
What is low gravity like, an
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
Seeking answers to your science questions? Ask our resident expert, Peter Gallivan
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
One of the best ways to study the Universe is to inspect actual materials from our celestial neighbours. Some naturally fall to Earth as meteorites, but these are few and far between, limited in their
Andy Saunders has devoted years to restoring historic NASA space images. Steve Fairclough spoke to him about his new book on the Mercury and Gemini missions
There’s a worrying problem with the ‘Higgs field’ — the energy field that gives particles their mass. It seems to be dangerously close to having an inherent instability. In the absence of particles, t