Most of earth’s meteorites may have come from the same three spots

Where did life on Earth begin? That sounds like a relatively straightforward question. Surely life on Earth began… well, on Earth, right? We know this planet had the right conditions for life to arise

The best discoveries, inventions and surprises

Scientists distinguish between weight and mass, which may seem pedantic until you see what happens on a world where gravity is radically different to Earth’s

Amazing answers to your curious questions

Ten years ago, Pluto emerged from the gloom at the Solar System’s ragged edge – and a new world came in from the cold. Five billion kilometres (3 billion miles) from Earth, on 14 July 2015, NASA’s pia

Seeking answers to your science questions? Ask our resident expert, Peter Gallivan