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Ancient quasars in distant galaxies caught switching on suddenly

Space

Ancient quasars in distant galaxies caught switching on suddenly

It should take at least thousands of years for the black holes at the centres of galaxies to become glowing quasars but a handful have blazed into life in less than 10

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'alien megastructure' star

Space

Comets can't explain weird 'alien megastructure' star after all

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We've found the brightest ever supernova but can't explain it

Space

We've found the brightest ever supernova but can't explain it

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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

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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?

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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

An infinite universe and many worlds leave no room for a creator. Time to rethink what’s sacred, says philosopher of religion Mary-Jane Rubenstein

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Space

Black holes have a size limit – of 50 billion suns

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Space

Tiny dark matter stars would harbour particles that act as one

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Space

Pathfinder blasts off to look for Einstein's gravitational waves

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Space

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

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