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�鶹��ý. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

We are finally closing in on the cosmic origins of the “OMG particle”

Space

We are finally closing in on the cosmic origins of the “OMG particle”

Three decades ago, we spotted the single most energetic particle ever seen, nicknamed the 'Oh-My-God particle'. Since then, we have seen many more ultra-high-energy cosmic rays – and now we are unravelling the mystery of what produces them

Features

Supermassive black hole. Elements of this image furnished by NASA.; Shutterstock ID 1756053335; purchase_order: -; job: -; client: -; other: -

Space

Lab imitations of the unobservable cosmos can be genuinely insightful

Leader

Why sending messages to extraterrestrials is controversial

Space

Why sending messages to extraterrestrials is controversial

Comment

Milky Way. Night sky and silhouette of a standing man

Space

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

Comment

Physics

Nuclear clocks could be the best timepiece in the universe

News

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

News

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

Comment

Space debris problem highlighted in new series of photographs

Regulars

Space

Alien messages responding to NASA signals could reach us by 2029

News

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

The James Webb Space Telescope has found the most distant galaxy cluster ever seen, at 30 billion light years away. Researchers say it’s probably one of the biggest clusters in the universe by now

News

Space

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

Features

Space

Your essential guide to the many breathtaking wonders of the universe

Features

Space

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

News

Space

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

News