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Updated This Week
Science
FAQ
Is the Big Bang singularity scientific or philosophical?
- Philosophers: "It’s all speculation."
- Scientists: "We’re working on it!"
Big Bang Singularity
The expansion of the universe is solid science. The singularity is not. It marks the point where our equations stop working, not where we suddenly know what “began everything.” Calling that boundary scientific certainty confuses mathematical breakdown with physical reality. Good thinking separates evidence from speculation without pretending speculation is failure.
Structure
The Architecture of the Cosmos
From particles to galaxy clusters.
The universe is not random. Matter organizes into patterns — stars, galaxies, clusters, and vast cosmic filaments stretching across billions of light-years. Gravity sculpts structure from early density fluctuations, while dark matter forms the invisible framework holding galaxies together. This section explores how the universe builds itself, layer by layer, from the smallest scales to the largest structures we can observe.
Deep-Dive ARTICLES
The End of the Universe Explained
We do not know the ultimate fate of the universe, but the leading ideas are that it expands forever, collapses and starts over, or ends in something more extreme.
The Expanding Universe Explained
ΛCDM remains the leading cosmological model because our current best measurements indicate gravity is not strong enough to stop the universe’s expansion.
Must-Reads
Big Bang
The End of the Universe Explained
We do not know the ultimate fate of the universe, but the leading ideas are that it expands forever, collapses and starts over, or ends ...
Updated ARTICLES
Physics | Structure | Unification
Cosmocycles: A Proposed Cosmic Calendar Based on Cyclic Universe Model
Expanding Universe
If some version of the Big Crunch model ever returns to favor, we can picture one full cosmic cycle, a kind of cosmic year. Cosmocycles is that speculative idea.
Sat 1 Apr 2023
(3 years ago)
Updated 1 day ago.
Big Bang | Structure | Unification
The End of the Universe Explained
Expanding Universe
We do not know the ultimate fate of the universe, but the leading ideas are that it expands forever, collapses and starts over, or ends in something more extreme.
Fri 22 Mar 2024
(2 years ago)
Updated 1 day ago.
Physics | Structure | Unification
The Islands-of-Universes Idea
Expanding Universe
We often talk as if our universe is a self-contained whole, but beyond the limits of observation, we simply do not know what else may exist.
Fri 8 Mar 2024
(2 years ago)
Updated 1 day ago.