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cosmosfrombit

The universe, made simple.

Complex topics from astrophysics, quantum mechanics and the origin of life — explained in radically simple language.

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The Big Bang & the universe

How it all began — and what came before.

Black holes

Where space, time and information vanish.

The origin of life

From dead molecule to first cell.

Quantum mechanics

The strange rules of the smallest scale.

Simulation theory

Do we live in a simulation?

Information as reality

It from bit — the universe as information.

Evolution

How diversity arose from simplicity.

Exoplanets & life out there

Are we alone in the universe?

Astronomy for beginners

Discover the night sky yourself.

Artificial intelligence

How machines learn, think and accelerate science.

Cosmic timeline

From the Big Bang to today

The whole history of the universe — in eight steps.

  1. 0 seconds

    The Big Bang

    Space and time begin — extremely hot and dense.

    Learn more →
  2. 10⁻³² seconds

    Cosmic inflation

    Space expands enormously in an instant.

    Learn more →
  3. 3 minutes

    First atomic nuclei

    Hydrogen and helium form.

    Learn more →
  4. 380,000 years

    The first light

    The universe turns transparent — the background radiation is released.

    Learn more →
  5. ~200 million years

    First stars

    Gas clouds ignite the first stars and galaxies.

    Learn more →
  6. 4.6 billion years ago

    Sun & Earth

    Our solar system forms from a disk of dust.

    Learn more →
  7. 3.8 billion years ago

    Life begins

    Dead matter becomes the first cells.

    Learn more →
  8. today · 13.8 billion years

    You are reading this

    Information thinking about itself.

    Learn more →

Interactive

Explore the cosmos interactively

Hands-on tools that make the abstract tangible.

Travel back to the Big Bang Interactive timeline Try it → Sizes compared Earth to galaxy Try it → How old is the starlight? Light-travel calculator Try it →
Free cheat sheet

50 mind-bending facts about the cosmos

From the Big Bang to the bit — 50 short, astonishing facts to skim, share and remember. Free, no sign-up.

Read the 50 facts →
Tools & calculatorsYour weight on Mars, black-hole size & more The Solar SystemReal data for every planet, body by body
Artificial intelligenceArtificial Intelligence Explained SimplyArtificial intelligence learns from data instead of fixed rules. How it works, what it can do today and where its opportunities and risks lie, explained simply.Quantum mechanicsAntimatter Explained Simply: the mirror of matterEvery particle has an antiparticle. When they meet, they vanish into pure energy. So why is the universe made almost entirely of matter?Information as realityClassical Computer vs. Quantum Computer Explained SimplyA normal computer works with clear zeros and ones. A quantum computer uses superposition and entanglement. Where does the real difference lie?The Big Bang & the universeDark Energy Explained Simply: the engine of the universeThe universe is not only expanding, it is doing so ever faster. Behind this accelerating expansion lies the mysterious dark energy.

Latest from the cosmos

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Science you can trust

Every article is written in plain language and backed by named primary sources like NASA, ESA, CERN and Nature.

How we work Our authors

10 topic worlds
67+ articles
2 languages
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