Beyond Neptune, a smaller 'ninth' planet has been identified in the Kuiper Belt.

A year on the alien world is only a few Earth days.

Sea levels are rising faster than elsewhere, and even birds and frogs are changing their behaviour.

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There were so many of them that they stopped play at Lord's Cricket Ground last week.

Just 50cm wide, the car is about the width of a pillow, and has room for just one headlamp on the front.

First created during the Cold War, Project Iceworm saw the US plan to store hundreds of ballistic missiles in a system of tunnels dubbed 'Camp Century'.

If you found this article via a search engine, it was probably Google. Some think that's a problem.

Panic erupted on the flight after a bomb threat note was found.