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Cosmology

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

Explore by Cosmology

Artistic visualization of a supermassive black hole surrounded by a glowing orange accretion disk, embedded in the blue cosmic web of gas, galaxies, and a distant planet-like world.

December 28, 2025

Cosmic Dawn and Early Black Hole Formation

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Artistic visualization of the observable universe showing the transition from the cosmic microwave background to the large-scale cosmic web filled with bright galaxies and clusters.

December 25, 2025

Weakening Dark Energy and Universe Fate

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Oval full-sky map of the cosmic microwave background showing subtle blue and orange temperature fluctuations across the observable universe against a faint starry background.

December 19, 2025

CMB Polarization and Early Universe Physics

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A dramatic scientific visualization of a supermassive black hole, featuring a swirling, fiery orange accretion disk and massive, dark filaments of cosmic gas spiraling into the central core.

December 6, 2025

CMB Lensing and Small-Scale Anisotropies

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An artistic representation of a powerful cosmic event, featuring a brilliant central core erupting with blue, web-like energy filaments across a star-filled expanse of deep space.

August 12, 2025

Analysis of the CMB Cold Spot Anomaly: Ruling Out Voids and Searching for New Physics

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An elliptical projection map of the universe's large-scale structure, showing countless golden galaxies forming a cosmic web within a vast blue expanse.

August 9, 2025

Probing Cosmic Inflation: New Constraints on Primordial Gravitational Waves from CMB Polarization Data

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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.