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Time might flow backwards as well as forwards from the big bang

Space

Time might flow backwards as well as forwards from the big bang

In the multiverse, pocket universes could be born with clashing directions of time – the evolving future of one could happen in the rewinding past of another

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New rumours that gravitational waves have finally been detected

Space

New rumours that gravitational waves have finally been detected

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Supermassive black holes might be hiding entire universes inside

Space

Supermassive black holes might be hiding entire universes inside

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Giant galaxy caught tearing apart its little neighbour

Space

Giant galaxy caught tearing apart its little neighbour

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Can burping black holes reveal the true fabric of the universe?

Space

Can burping black holes reveal the true fabric of the universe?

Features

Dark matter's true face could be unmasked by pairs of dead stars

Space

Dark matter's true face could be unmasked by pairs of dead stars

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God vs the multiverse: The 2500-year war

Space

God vs the multiverse: The 2500-year war

Features

Space

Black holes have a size limit – of 50 billion suns

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Tiny dark matter stars would harbour particles that act as one

Space

Tiny dark matter stars would harbour particles that act as one

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Pathfinder blasts off to look for Einstein's gravitational waves

Space

Pathfinder blasts off to look for Einstein's gravitational waves

Live at the launch of ESA's LISA Pathfinder spacecraft on the 100th anniversary of Einstein's publication of the theory of general relativity

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Space

How to encrypt a message in the afterglow of the big bang

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Space

How to encrypt a message in the afterglow of the big bang

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Space

Spacecraft that will put Einstein to the test ready for lift-off

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Space

Black hole batteries could power mysterious radio bursts

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