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Space

Is the expansion of the universe slowing down?

It is widely accepted that the universe is expanding at an accelerating rate, but now researchers say our measurements of the mysterious force driving that may be wrong and that the universe began to slow 1.5 billion years ago – yet other scientists disagree

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Technology

New quantum computer is on the path to unravelling superconductivity

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3D1KFDX Luca, an Amur Tiger, being prepared for a CT scan to investigate locomotion abnormalities at the Big Cat Sanctuary near Ashford in Kent. Luca is one of three big cats being scanned at the sanctuary with a mobile unit brought to the site which is the first time it has been tried. Picture date: Monday October 27, 2025.

A tiger gets taken for a CT scan

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Space

Lumpy ‘caterpillar wormholes’ may connect entangled black holes

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Environment

Toxic algae blighting South Australia could pose a global threat

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Humans

Ancient DNA may rewrite the story of Iceland's earliest settlers

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Environment

COP30: What’s on the agenda at the Belém climate summit

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Covid raises risk of heart issues in children more than vaccination

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An illustration of polycystic ovary syndrome, which causes the ovaries to enlarge

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We're closing in on how genetics may influence your PCOS risk

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Environment

COP30: Can Brazil summit get climate negotiations back on track?

Expectations are low for the UN climate conference in Belém, Brazil, but the host’s pragmatic approach could help make progress on implementation

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Technology

Advanced quantum network could be a prototype for the quantum internet

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Space

Brightest black hole flare ever caused by huge star being ripped apart

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Cavities could be prevented by a gel that restores tooth enamel

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Walking 3000 steps a day seems to slow Alzheimer's-related decline

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