Cosmology


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Cosmology
Exodus

Elon Musk argues that we must put a million people on Mars if we are to ensure that humanity has a future

Ross Andersen

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Astronomy
In the beginning

Cosmology has been on a long, hot streak, racking up one imaginative and scientific triumph after another. Is it over?

Ross Andersen

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Physics
Radical dimensions

Relativity says we live in four dimensions. String theory says it’s 10. What are ‘dimensions’ and how do they affect reality?

Margaret Wertheim

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Philosophy of Science
Is the Universe a conscious mind?

Cosmopsychism might seem crazy, but it provides a robust explanatory model for how the Universe became fine-tuned for life

Philip Goff

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Astronomy
Life in the dark

In the dark corners of our galaxy, there are billions of rogue planets roaming around, starless – can they support life?

Sean Raymond

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Quantum Theory
Black-hole computing

Might nature’s bottomless pits actually be ultra-efficient quantum computers? That could explain why data never dies

Sabine Hossenfelder

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Ethics
The ethics of ET

The discovery of independent life beyond Earth would have deep philosophical implications for us, and our ideas of morality

Tim Mulgan

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Space Exploration
What if ET is an AI?

After centuries searching for extraterrestrial life, we might find that first contact is not with organic creatures at all

Caleb Scharf

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Architecture & Landscape
Embracing the void

The ancients had pyramids to tame the sky’s mystery. We have Star Axis, a masterpiece forty years in the making

Ross Andersen

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Cosmology
The calibrated cosmos

Is our universe fine-tuned for the existence of life – or does it just look that way from where we’re sitting?

Tim Maudlin

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Astronomy
Life on Mars

In a white dome on a bare mountain, six of us are road-testing life in a Martian colony. This is what I’ve learned so far

Sheyna Gifford

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Consciousness & Altered States
Planet boredom

On Mars I learned that boredom has two sides – it can either rot the mind or rocket it to new places

Kate Greene

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Biology
Onward to Europa

The oceans of Jupiter’s ice worlds might be swimming with life – so why do we keep sending robots to Mars?

Lee Billings

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Astronomy
Save the Universe

It is only a matter of time before our Universe goes black, cold and dies. Must this be the end of the road for life?

Michael Hanlon

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Meaning & the Good Life
Do we matter in the cosmos?

Humanity is nothing more than a microscopic blip in the universe. But does that mean we are insignificant?

Nick Hughes

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Astronomy
The superfluid Universe

Quantum effects are not just subatomic: they can be expressed across galaxies, and solve the puzzle of dark matter

Sabine Hossenfelder

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Cosmology
Echoes of a black hole

Ripples in space-time could herald the demise of general relativity and its replacement by a quantum theory of gravity

Sabine Hossenfelder

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Astronomy
In the dark

Dark matter is the commonest, most elusive stuff there is. Can we grasp this great unsolved problem in physics?

Alexander B Fry

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Cosmology
Galactic position system

We can point to our home on a globe and find Earth in a model of the solar system but where are we in the Milky Way?

Sarah Scoles