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Falcon Heavy rocket

Space

SpaceX Falcon Heavy rocket test is the start of a race to Mars

The imminent first flight of Elon Musk's giant new rocket could mark a spectacular start to a new era in space flight, says Paul Marks

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belly fat

Health

Your body fat may be protecting you against infections

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The universe may be full of ex-moons flung from their home worlds

Space

The universe may be full of ex-moons flung from their home worlds

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Earth was smashed by a rock the size of Mars to make the moon

Space

Earth was smashed by a rock the size of Mars to make the moon

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Mars

Space

Mars rocks may have drunk up all the water and doomed life there

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Mercury probe

Space

2018 preview: Epic mission to Mercury will unravel its mysteries

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An underweight newborn baby

Health

The body’s killer immune cells also feed fetuses in the womb

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Planet X artwork

Space

Planet X: We are closing in on the solar system's new occupant

Features

That interstellar asteroid could be a shard of a shredded planet

Space

That interstellar asteroid could be a shard of a shredded planet

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Planets near dangerous stars could shield alien life under smog

Space

Planets near dangerous stars could shield alien life under smog

Red and white dwarfs make nasty neighbours due to spurts of deadly radiation, but alien life could still form on planets nearby if shielded by smog or oceans

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Space

We may know why Jupiter's Great Red Spot is red instead of white

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Space

Neptune’s other moons were normal until Triton crashed the party

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Space

Enceladus’s hot, gritty core may cook up ingredients for life

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Space

We now know more on the origins of weird duck-shaped comet 67P

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