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Space

Black hole stars really do exist in the early universe

Mysterious ‘little red dots’ seen by the James Webb Space Telescope can be explained by a new kind of black hole enshrouded in an enormous ball of glowing gas

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Space

A distant galaxy is being strangled by the cosmic web

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Space

Is the expansion of the universe slowing down?

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CMB-S4 will use telescopes installed at the South Pole to measure variations in the temperature and polarization of microwave light across most of the sky to probe for ripples in space-time. Shown here is the South Pole Telescope. Photo: Brad Benson, University of Chicago, Fermilab

Space

The end of US support for the CMB-S4 telescope is devastating

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Physics

Quantum-inspired algorithm could help reveal hidden cosmic objects

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Space

There is an odd streak in the universe – and we still don’t know why

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A bright star emitting streaks of light that curve outwards as the star moves across the night sky

Space

How faster-than-light explosions could reveal the universe’s secrets

Features

Space

Gravitational waves finally prove Stephen Hawking's black hole theorem

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Physics

Oddly viscous stars could be impersonating black holes

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Space

How we could explore a black hole with an interstellar nanocraft

An ambitious plan to test extreme physics close to a black hole would involve a space probe weighing only a few grams, travelling at a third of the speed of light

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Space

We may have finally solved an ultra-high-energy cosmic ray puzzle

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Physics

How nothing could destroy the universe

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Physics

How does astronomy fit into astrophysics – and does it matter?

Comment

Space

Most detailed survey of particles around the sun reveals new mysteries

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