Support Aeon

‘Content that goes beyond the two-hour news cycle. Thinking that grounds.’

Adam Ward, Canada, Friend of Aeon

Aeon is a registered charity committed to the spread of knowledge and a cosmopolitan worldview.
But we can’t do it without you.

Donate now

Aeon is a registered charity committed to the spread of knowledge and a cosmopolitan worldview. Our mission is to create a sanctuary online for serious thinking.

No ads, no paywall, no clickbait – just thought-provoking ideas from the world’s leading thinkers, free to all. But we can’t do it without you.

Donate now

Cosmology


Latest Popular


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
Essay/
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

Essay/
Cosmology
Anthropic arrogance

Claims that the Universe is designed for humans raise far more troubling questions than they can possibly answer

David P Barash

Essay/
Cosmology
How cosmic is the cosmos?

Ever since Heisenberg and Tagore, physicists have flirted with Eastern philosophy. Is there anything in the romance?

Zeeya Merali

Essay/
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

Essay/
Astronomy
Our aquatic universe

We know that the Universe is awash with watery moons and planets. How can we pinpoint which of them could support life?

Tim Folger

Essay/
History of science
Behold: science as seeing

One astronomer’s dimpled pie is another’s cratered moon. How can our mind’s eye learn to see the new and unexpected?

Gene Tracy

Essay/
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

Essay/
History of science
Life in hollow Earth

Is Earth inside the Universe, or vice versa? Since we can grasp only a model of reality, how do we know what’s real?

Joel Frohlich

Essay/
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

Essay/
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

Essay/
Cosmology
Universe in a bubble

Maybe we don’t have to speculate about what life is like inside a bubble. It might be the only cosmic reality we know

J Richard Gott