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Cosmology

Investigating the origin, evolution, fundamental structure, and ultimate fate of the entire universe.

Explore by Cosmology

Illustration of the Cosmic Microwave Background sphere showing the hemispherical power asymmetry and dipole alignment.

May 17, 2026

CMB Hemispherical Power Asymmetry: Resolving the Planck PR4 Dipole Anomaly

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A visualization of the modified scalaron potential and conformal transformation in f(R) gravity, featuring glowing spacetime grids and holographic equations.

May 16, 2026

R³ Corrections to Starobinsky Inflation: Resolving the ACT DR6 Tension

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Cosmic microwave background polarization vector fields showing parity-violating rotation in deep space

May 15, 2026

Cosmic Birefringence at 2.9σ: ACT DR6 Locks CMB Polarization Rotation β=0.215°

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Atacama Cosmology Telescope against a starry sky with glowing mathematical graphs showing a negative posterior distribution.

May 14, 2026

The Negative Neutrino Mass Mirage: A w₀wₐCDM Lagrangian Resolution

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The South Pole Telescope dish at twilight with an overlay of the cosmic microwave background and a graph showing the 6.2 sigma Hubble tension.

May 12, 2026

Hubble Tension at 6.2σ: SPT-3G D1 Locks CMB H₀ = 66.66 km/s/Mpc

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Simons Observatory Large Aperture Telescope at 5,200 m on Cerro Toco, Chile, surveying CMB B-mode polarization.

May 12, 2026

Simons Observatory CMB First Light: B-Mode Polarization Hunt at σ(r)=10⁻³

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Conceptual illustration of the cosmic dipole anomaly showing an asymmetrical distribution of dark matter and quasars against the cosmic microwave background.

May 11, 2026

The Cosmic Dipole Anomaly: A Superhorizon Isocurvature Lagrangian Resolving the 5.4σ CMB-Quasar Matter Dipole Tension

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Visualization of cosmic birefringence rotating CMB polarization vectors

May 11, 2026

Cosmic Birefringence: Chern-Simons Axions and the ACT DR6 Anomaly

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Abstract visualization of complex scalar fields in an inflationary cosmological collider

May 10, 2026

Scalar Chemical Potential Cosmological Collider: A CMB Lagrangian

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FAQs about Cosmology

Cosmology is the scientific study of the entire universe. It asks questions about how the universe began, how it has evolved, and what its ultimate fate will be.

The Big Bang Theory is our best explanation for how the universe started. It states that the universe began as an extremely hot, dense point about 13.8 billion years ago and has been expanding and cooling ever since.

These are the two biggest mysteries in cosmology. Dark matter is an invisible substance that provides extra gravity to hold galaxies together. Dark energy is a mysterious force that is causing the expansion of the universe to accelerate.

Because light takes time to travel, looking at distant galaxies is like looking back in time. Telescopes like Hubble and James Webb allow us to see galaxies as they were billions of years ago, giving us clues about the early universe.