The shipping industry is planning to swap some fossil fuels for green ammonia – but that could create a major new source of ...

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Astronaut Don Pettit took this stunning photo of a nearby comet from the International Space Station ...

Several factors contributed to the survival of crocodiles, turtles, lizards and birds 66 million years ago, say our readers ...

From windswept craters to frigid ice caps, explore Martian landscapes through the eyes of NASA’s orbiters, probes and rovers ...

Is there a term for the shape pictured here: a smooth continuous curve with three axes of symmetry? And what happens to our ...

1 2 = 1, 1 2 + 2 2 = 5 and 1 2 + 2 2 + 3 2 = 14. If we continue in this way, when is the first time this sum is a multiple of ...

Feedback explores the upsides (and downsides) of Publish or Perish, a game that simulates the experience of building a career ...

At his best, Iain M. Banks could be extraordinarily stylish, inventive and downright funny. So how does his genre-redefining ...

A series of events, from the California wildfires to evidence we passed 1.5 degrees last year, suggests wild weather will ...

Other cartoons by Tom Gauld can be found here. Receive a weekly dose of discovery in your inbox! We'll also keep you up to ...