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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

The aurora borealis has been remarkably bright recently. Space weather physicist Tamitha Skov reveals what's going on and how worried we should be about a major solar storm

Features

Space

CPR in space could be made easier by chest compression machines

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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

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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

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Space

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

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2H2KWEA Big Bang to Present. Stages in the history of the Universe after the Big Bang. At 300, 000 years, matter and radiation decouple, and the Universe becomes transparent for the first time. The first galaxies form at around 300 million years after the Big Bang, but the exact time period is uncertain. At an age of 9 billion years the Solar System formed. Finally, 13.7 billion years after the Big Bang we arrive at the present day. The Universe is still expanding and evolving.

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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Chaotic streams of energy appear to slice through space

Physics

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

Features

The NIRCam (Near-Infrared Camera) instrument on NASA?s James Webb Space Telescope?s reveals a portion of the Milky Way?s dense core in a new light. An estimated 500,000 stars shine in this image of the Sagittarius C (Sgr C) region, along with some as-yet unidentified features. A large region of ionized hydrogen, shown in cyan, contains intriguing needle-like structures that lack any uniform orientation. NASA, ESA, CSA, STScI, and S. Crowe (University of Virginia).

Space

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

The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly? Chanda Prescod-Weinstein explains

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Space

Bioplastic habitats on Mars could be built from algae

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Space

New Horizons images enable first test of interstellar navigation

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Physics

Where does time actually come from?

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Space

Mystery fireball spotted plummeting to Earth over the US

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