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Artist's impression of neutron star in binary object

Space

Neutron stars that slow down could be eating 'backwards' gas

Most binary neutron stars are thought to spin ever faster as they devour their companions - but some slow down, and it could be to do with their gassy meals

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exoplanet

Space

Volunteers spot four super-Earths orbiting sun-like star

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space

Space

New approach to dark energy might explain our cooling universe

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telescope

Space

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

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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

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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

Regulars

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

Measuring how the distance between galaxies changes is key to working out how dark energy drives the universe’s accelerating expansion – now a new ruler may help

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Space

Dark matter took its time to wrap around early galaxies

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Physics

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

Leader

Physics

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

Features

Space

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

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