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Space

Weird clump in the early universe is piping hot and we don’t know why

A galaxy cluster in the early universe is 10 times hotter than it ought to be, which may reshape how we think these enormous structures formed

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Space

Is the expansion of the universe slowing down?

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Space

There is an odd streak in the universe – and we still don’t know why

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Why mathematicians want to destroy infinity – and may succeed

Mathematics

Why mathematicians want to destroy infinity – and may succeed

Features

The NIRCam (Near-Infrared Camera) instrument on NASA?s James Webb Space Telescope?s reveals a portion of the Milky Way?s dense core in a new light. An estimated 500,000 stars shine in this image of the Sagittarius C (Sgr C) region, along with some as-yet unidentified features. A large region of ionized hydrogen, shown in cyan, contains intriguing needle-like structures that lack any uniform orientation. NASA, ESA, CSA, STScI, and S. Crowe (University of Virginia).

Space

The cosmos is vast, so how do we measure it?

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Vera C. Rubin Observatory

Video

Look inside the revolutionary Vera C. Rubin Observatory

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Space

Best ever map of early universe is double-edged sword for cosmologists

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Space

Astronomers have spotted the largest known object in the universe

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Space

Why does our universe have something instead of nothing?

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Physics

There may be a cosmic speed limit on how fast anything can grow

Alan Turing's theories about computation seem to have a startling consequence, placing hard limits on how fast or slow any physical process in the universe can grow

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Physics

The laws of physics appear to follow a mysterious mathematical pattern

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Space

The astrophysicist who may be about to discover how the universe began

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Physics

Our reality seems to be compatible with a quantum multiverse

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Space

Banana-shaped galaxies are helping unpeel the mysteries of dark matter

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