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Triple signal of ‘alien megastructure’ star baffles astronomers

Space

Triple signal of ‘alien megastructure’ star baffles astronomers

A new dimming signal makes the famous star even more challenging to explain, but astronomers aren’t claiming that it’s aliens… yet

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rocket factory

Space

Inside NASA's towering rocket factory before deep space mission

Regulars

Jupiter's Great Red Spot is making its atmosphere hotter

Space

Jupiter's Great Red Spot is making its atmosphere hotter

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Bye bye Philae! Comet team to lose touch with lander for good

Space

Bye bye Philae! Comet team to lose touch with lander for good

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Astronauts prepare for Mars mission at the bottom of the sea

Space

Astronauts prepare for Mars mission at the bottom of the sea

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Flying-saucer-like craft swoops over rocky terrain with Saturn-like world on the horizon

Space

Six science fiction novels you should be reading

Culture

Astronauts on the International Space Station with many flags on panel behind them

Space

No more space race rhetoric: it's not just about the US any more

Comment

Distant galaxies imaged by Hubble

Space

Hubble telescope looks back in time to see far-off galaxies

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The Red Planet

Space

Next-gen Mars orbiters to help human missions become more real

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Einstein's clock: The doomed black hole to set your watch by

Space

Einstein's clock: The doomed black hole to set your watch by

Every 12 years, a black hole at the centre of a distant galaxy completes an orbit around an even bigger black hole, marking this with a violent outburst

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Space

SpaceX launches DNA sequencer and new docking port to the ISS

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Space

Mysterious swoosh caused by pulsars hugging companions close

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Space

Baby stars grow big and strong by eating their own burst bubbles

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Space

Largest-ever map of 1.2 million galaxies measures dark energy

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