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Scientific astronomical background - bright quasar in deep space. Elements of this image furnished by NASA nasa.gov; Shutterstock ID 338122148; purchase_order: -; job: -; client: -; other: -

Space

Cosmic dawn ended 200 million years later than cosmologists thought

Using the light from 67 extremely distant quasars, astronomers have calculated that cosmic dawn, the period in which the first stars began to form, ended 1.1 billion years after the big bang

News

Have we been measuring the expansion of the universe wrong all along?

Physics

Have we been measuring the expansion of the universe wrong all along?

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Controversial claim that the universe is skewed could upend cosmology

Space

Controversial claim that the universe is skewed could upend cosmology

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Why I'm choosing dark matter over dark energy - for now at least

Space

Why I'm choosing dark matter over dark energy - for now at least

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Figure 4. Pseudo-color images of all Cepheid-bearing galaxies analyzed in this work.

Space

It’s official – we don’t know how fast the universe is expanding

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Star trails over the Nicholas U. Mayall 4-meter Telescope on Kitt Peak National Observatory near Tucson, AZ.??

Space

Largest 3D map of the universe contains 8 million galaxies

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3 of the most exciting space telescopes planned for launch by 2034

Space

3 of the most exciting space telescopes planned for launch by 2034

Features

How the James Webb telescope will rewrite the story of the universe

Space

How the James Webb telescope will rewrite the story of the universe

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This artistic impression shows two black holes that are spiralling towards each other and will eventually coalesce.

Space

Merging black holes may create bubbles that could swallow the universe

News

WHY is there something rather than nothing?

Physics

Why is there something not nothing? The big bang isn’t the only answer

The idea that the universe started in the big bang revolutionised 20th-century cosmology. But it seems increasingly unlikely it was a case of something from nothing

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Life

Why is the universe just right for life? Blame the multiverse

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Physics

Why is the universe intelligible? Things aren’t as clear as we think

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Physics

Why is there a cosmic speed limit? It could even be why we're here

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Life

Why do we exist? The meaning of life isn’t to be found in the stars

Features