Deep time


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Astronomy Biology Biotechnology Chemistry Computing and artificial intelligence Cosmology Deep time Earth science and climate Ecology and environmental sciences Engineering Evolution Genetics History of science Human evolution Human reproduction Illness and disease Mathematics Medicine Oceans and water Palaeontology Physics Quantum theory Space exploration
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Computing and artificial intelligence
Omens

When we peer into the fog of the deep future what do we see – human extinction or a future among the stars?

Ross Andersen

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Deep time
Light dawns

Light travels at around 300,000 km per second. Why not faster? Why not slower? A new theory inches us closer to an answer

Sidney Perkowitz

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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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Biology
Where do minds belong?

Intelligence could have been moving back and forth between biological beings and machine receptacles for aeons

Caleb Scharf

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Architecture
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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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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Deep time
The vanishing groves

A chronicle of climates past and a portent of climates to come – the telling rings of the bristlecone pine

Ross Andersen

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Physics
A science without time

From past to present, into the future: the flow of time is central to human experience. Why isn’t it central to physics?

Gene Tracy

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History of ideas
The end is not near

Thanks to science, most of us accept the deep past – so why are our imagined futures so shallow?

J L Schellenberg

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Deep time
Last hominin standing

Was human evolution inevitable, or do we owe our existence to a once-in-a-universe stroke of luck?

Dan Falk

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Physics
Time after time

The question of whether time moves in a loop or a line has occupied human minds for millennia. Has physics found the answer?

Paul Halpern

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Oceans and water
Acid trap

Earth’s oceans are beginning to warm and turn acidic, endangering plankton and the entire marine food chain

Peter Brannen

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Deep time
Welcome to Terra Sapiens

Humans have been altering Earth for millennia, but only now are we wise to what we’re doing. How will we use that wisdom?

David Grinspoon

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Deep time
Laws or comets?

Does history unfold randomly and by chance, or are there underlying patterns and deep connections between its parts?

Walter Alvarez

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Cosmology
The cosmic now

Are you here now? Impossible to say. The idea that any group of events can truly happen at once is just an illusion

Anthony Aguirre

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Biology
Mineral fodder

We may think we are the first organisms to remake the planet, but life has been transforming the earth for aeons

Robert Hazen

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Palaeontology
What say you, dinosaur?

Did Neanderthals speak? Did dinosaurs roar? And when did birds begin to sing? The soundscape of deep time is coming back

Alex Riley

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Astronomy
The ache for immortality

The Voyager probes speed on with their messages of humility and greatness, strange memorials to a spacefaring age

Matthew Battles

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Deep time
Written in stone

In the race for geology’s highest accolade – a ‘golden spike’ – do advocates of the Anthropocene sell their ideas short?

James Westcott