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Cosmology

Signal hints at possible interactions between ordinary hydrogen and dark matter in the early universe, but some scientists remain skeptical.

Ramin Skibba, Contributor

About 100 years ago Henrietta Swan Leavitt helped prove the existence of other galaxies. She is still inspiring astronomers today (infographic).

Abigail Malate, Staff Illustrator

The gigantic celestial body has exploded multiple times, confounding scientists.

Yuen Yiu, Staff Writer

The signal, from two merging black holes 3 billion light-years away, is the most distant observation yet.

Yuen Yiu, Staff Writer

Theoretical physicists contemplate the seemingly impossible situation of a point in space-time where gravity goes to infinity.

Yuen Yiu, Staff Writer

New simulations suggests life could exist in universes very different from our own.

Gabriel Popkin, Contributor

A team of scientists develop a model that describes the accelerating expansion of the universe without the need for mysterious dark energy.

Ramin Skibba, Contributor

Scientists reveal plans for future experiments to study the faint remnants left behind by the Big Bang.

Yuen Yiu, Staff Writer

"Deep learning" finds telltale arcs of light that indicate massive objects.

Ramin Skibba, Contributor

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