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A bright star emitting streaks of light that curve outwards as the star moves across the night sky

Space

How faster-than-light explosions could reveal the universe’s secrets

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to understand the mysteries of neutron stars, gamma ray bursts and more

Features

Geometric 3d render shower of decorative starry short lines. Digital waterfall made futuristic straight shapes with random repetition. Tears outer space falling in rays bright stars.; Shutterstock ID 1952851798; purchase_order: -; job: -; client: -; other: -

Physics

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

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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

Regulars

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

News

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

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient origins and glimpsing the destiny that awaits it in the distant future

Features

Space

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

News

Physics

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

Comment

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?

Features