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Does a halo of mysterious dark matter swirl around every galaxy?

Space

Does a halo of mysterious dark matter swirl around every galaxy?

Many galaxies seem to have bubbles of dark matter enveloping them, but finding out if every galaxy is like this is an ongoing area of research, writes Chanda Prescod-Weinstein

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There are weird volcanoes everywhere we look in the solar system

Space

There are weird volcanoes everywhere we look in the solar system

Features

telescope

Space

Arecibo Observatory telescope in Puerto Rico collapses after 57 years

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Astronauts

Space

NASA can't decide whether astronauts should wash their underwear

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China's Chang'e 5 probe is the start of a new era of lunar exploration

Space

China's Chang'e 5 probe is the start of a new era of lunar exploration

Leader

The universe is expanding too fast, and that could rewrite cosmology

Space

The universe is expanding too fast, and that could rewrite cosmology

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star and protoplanetary disc

Space

We’ve seen a planet being born while its star is still forming

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magnetar

Space

Repeated radio bursts from nearby star suggest such signals are common

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LED satellite

Space

Satellites with flashing LEDs could help avoid catastrophic collisions

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cpr in zero gravity

Space

How-to guide for CPR in space may help treat astronaut cardiac arrest

Nobody has experienced cardiac arrest in space yet, but such a medical emergency might occur in future – and now we have some tips for how to handle the problem

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Space

SpaceX is about to send four astronauts to the ISS for six-month stay

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Space

The Orion Nebula is now visible in the sky - here’s how to find it

Regulars

Environment

How are sand dunes formed and why do they even exist?

Features

Space

Asteroid-munching microbes could mine materials from space rocks

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