Europe
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New world is almost exactly the same size as Earth
BULLETIN
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
The world’s biggest digital camera telescope has started ...
You’re woken in the middle of the night by an urgent phone call. An asteroid is headed straight for Earth and it’s your job to find out if it’ll strike the planet and rain destruction down upon us all
Galaxies come in all sorts of shapes and sizes. They can be broadly classified as spiral, elliptical or irregular, but each of these still leaves plenty of scope for variety. Take, for instance, the s
What would you say if intelligent aliens came calling?
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