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cosmology

gravastar

Space

Was gravitational wave signal from a gravastar, not black holes?

LIGO’s discovery of gravitational waves was a great achievement, but a new analysis suggests the signal could have come from a rather exotic source

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Totality by Katie Paterson

Syzygy exhibition squeezes cosmic wonders into everyday objects

Culture

Artist's imression of Hitomi

Space

Japanese satellite's death spiral linked to software malfunction

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cosmic background radiation

Space

That's odd: Axis of evil stretches across the cosmos

Features

Red-tinted mirror suspended along with other objects

Physics

Gravitational wave hunters gear up to detect extreme black holes

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Carroll

Physics

It's mind-blowing what our puny brains can do

Opinion

The play <i>X</i> will have you clock-watching - but in a good way

Space

The play X will have you clock-watching - but in a good way

CultureLab

black hole

Space

Physics adventures down the superfluid supersonic black hole

Features

two galaxies

Space

Our galaxy's impossible collision could break gravity

Features

black hole

Space

LIGO could catch dark matter made of black holes

The black holes that kicked off the first detection of gravitational waves seem to be the right size and frequency to be long-sought primordial black holes

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Space

Billion-light-year galactic wall may be largest object in cosmos

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Space

Repeating cosmic radio blast adds mystery to their origins

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Space

Ageing Milky Way stopped making stars before it ran out of gas

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Space

Cosmic radio blast result called into question within days

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