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Space

Earth-sized telescope set to snap first picture of a black hole

The Event Horizon Telescope will take images of the black hole at the centre of our galaxy, and could reveal how relativity and quantum mechanics mesh

News

Binary star system

Space

Gravitational waves slow the spin of shape-shifting neutron star

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coldest place

Space

The coldest place in the universe marks a double stellar grave

News

epistemology artwork 2

Technology

Inside knowledge: What wisdom will live on once we're gone

Features

Win a pair of signed books by Lawrence M. Krauss

Space

Win a pair of signed books by Lawrence M. Krauss

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Galaxy NGC 4258 with its extra tentacles protruding from its middle

Space

The many-tentacled galaxy that could drive a physics revolution

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lots of galaxies

Space

Cosmological ruler could help us get the measure of dark energy

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The Andromeda galaxy

Space

Dark matter took its time to wrap around early galaxies

News

gravity artwork

Physics

Keep an open mind on dark matter and rivals that do away with it

Leader

Gravity artwork

Physics

Rules of attraction: Why it's time to rethink how gravity works

Fresh suspicions have reopened the case against dark matter, forcing a fundamental rethink of the familiar force that keeps our feet on the ground

Features

Space

TRAPPIST-1 worlds are close enough for life to hop between them

News

Space

Oldest, biggest black holes may have come from enormous stars

News

Technology

How to dust a telescope’s 78-square-metre mirror with CO₂

Regulars

Health

To advance science we need to think about the impossible

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