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Milky Way. Night sky and silhouette of a standing man

Space

Questions I dread: How did the universe begin, and what is space-time?

As a theoretical cosmologist, you would think I'd welcome the chance to answer these questions - but it isn't clear this is an inquiry that physics can answer, says Chanda Prescod-Weinstein

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CE8NB6 Illustration showing galaxy giant whirlpool in space galaxy's effect on space image shows how gravity galaxy warps local

Physics

To create a wormhole that doesn't collapse, you need exotic matter

Features

A dense collection of stars covers the view. Towards the centre the stars become even more dense in a circular region, and also more blue. Around the edges there are some redder foreground stars, and many small stars in the background.

Physics

Why darkness between stars reveals more about the universe than light

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NEW CLOUDS ABOVE US The modern world relies on satellites for its communications and commerce. While mostly invisible to us as we go about out daily lives, our entire modern way of living ? both socially and professionally ? is intimately linked with the orbital space around the Earth. How we treat this extraterrestrial environment will determine how much we can rely on it in the future. ?In this view of Greenwich, London, you?ve got examples of what?s in space. I photographed about 300 artefacts ranging from satellites to rocket bodies, satellite parts, solar panels, all the way down to the screws and a glove to show what?s up there. The photography was done over a one year period, across North America, Europe and the UK. I wanted to show this from a human perspective ? from the ground looking up. I chose Greenwich because of its history of astronomy and because from there you can see the financial district of London to highlight the modern world?s connection to the satellites that circle Earth.? Max Alexander

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Space debris problem highlighted in new series of photographs

Regulars

Space

Alien messages responding to NASA signals could reach us by 2029

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Seven galaxies highlighted here in five boxes are part of the most distant galaxy cluster ever found

Space

JWST has spotted the most distant galaxy cluster ever seen

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HA6GE7 departmentofenergy 8056998030 The Daya Bay Antineutrino Detector

Space

What was the universe's first second like? These particles can tell us

Features

A butterfly flies near to a light at night

Video

Slow motion footage reveals why insects are attracted to lights

Video

inventory of the universe

Space

Your essential guide to the many breathtaking wonders of the universe

Features

Ariane 5 VA 260 with the Jupiter Icy Moons Explorer

Space

JUICE livestream: Watch the launch of ESA’s mission to Jupiter’s moons

The JUICE mission to explore three of Jupiter’s icy moons and examine whether they have the right conditions for life is launching on 14 April. Watch the live launch coverage here

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Space

The JUICE mission to explore Jupiter’s ocean moons is about to launch

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Space

A supermassive black hole is hurtling away from its home galaxy

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Physics

Are there planets that are better for life than Earth?

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Chemistry

Crystal impervious to radiation could be used in spaceship computers

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