Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

The Doctor's companion serves as a kind of surrogate for the audience; they are awestruck – or confused – by the same things that we are, asking questions about time travel and far-off planets that we ...

Is it possible to build a Dyson sphere that isn't catastrophically unstable? New research says yes, but only in one type of ...

For players craving a solo adventure or looking for a game that will evoke intense feelings of loneliness, these open-world ...

Having stunned Real Madrid thanks to a Declan Rice double, Saturday Night Football sees Arsenal take to the Emirates once again, facing a Brentford side who drew with Chelsea last weekend.

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