Space
We may have finally figured out how galaxy-scale magnetic fields arose
Large-scale magnetic fields that fill up the universe may have grown from tiny magnetic fields that arose spontaneously in turbulent plasmas
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Space
Time appears to run five times slower in the early universe
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Physics
Gravitational waves produce a background hum across the whole universe
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Space
What the huge young galaxies seen by JWST tell us about the universe
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Space
A distant supernova defies our understanding of the cosmos鈥檚 expansion
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Physics
To create a wormhole that doesn’t collapse, you need exotic matter
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Space
What was the universe’s first second like? These particles can tell us
Features
Physics
Stephen Hawking鈥檚 parting shot is a fresh challenge to cosmologists
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Physics
Stephen Hawking’s final theorem turns time and causality inside out
Features
Physics
Neil Turok on the case for a parallel universe going backwards in time
To explain the cosmos without invoking cosmic inflation, physicist Neil Turok has proposed the existence of a mirror-image universe going backwards in time from the big bang. He tells us why the idea is so compelling
Features
Physics
A miniature universe shows particles may emerge out of empty space
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Space
Gamma ray bursts could help unravel how fast the universe is expanding
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Space
James Webb Space Telescope鈥檚 first deep-field image is stunning
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Space
The universe is surprisingly lopsided and we don’t know why
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