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Physics

Should it be space-time or spacetime – and why does it matter anyway?

Seeking endorsements for her new book, Chanda Prescod-Weinstein finds herself staring at fundamental questions of space, time – and grammar

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NASA Astronaut John Glenn inside a vacuum chamber

Video

Inside the missions that made the moon landings possible

Video

Lunar Crater Radio Telescope: Illuminating the Cosmic Dark Ages This illustration depicts a conceptual Lunar Crater Radio Telescope on the Moon?s far side. The early-stage concept is being studied under grant funding from the NASA Innovative Advanced Concepts program but is not a NASA mission. Credit: Vladimir Vustyansky

Space

Could a huge lunar telescope be our best chance of spotting aliens?

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John Glenn during the fiery re-entry, holding steadfast, believing his heatshield had come loose and he may burn up in the atmosphere - the capsule is illuminated in orange light due to intense heat.

Space

NASA's first space photos restored in stunning detail

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The northern lights, or aurora borealis, in the UK in 2024

Space

Why auroras are so much brighter and more easily visible recently

Features

Space

CPR in space could be made easier by chest compression machines

News

Space

New moon discovered orbiting Uranus is its smallest one

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Physics

Jupiter's moon Ganymede could be a giant dark matter detector

News

6 of the most fascinating moments in the life of our solar system

Space

6 of the most fascinating moments in the life of our solar system

Features

Space

A planet the size of Saturn could orbit the nearest sun-like star

The James Webb Space Telescope has detected a possible gas giant the size of Saturn in the stellar system nearest our own

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Physics

What happens to light's energy when it redshifts? It's complicated

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Mathematics

These centuries-old equations predict flowing fluid – until they don’t

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Physics

Is gravity a new type of force that arises from cosmic entropy?

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Space

The cosmos is vast, so how do we measure it?

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