Humans
Inside knowledge: What wisdom will live on once we’re gone
It's AD 3700, and Homo sapiens is no more than a memory. History suggests some of our knowledge will outlive us – but history may not be the best guide
Features
Space
Win a pair of signed books by Lawrence M. Krauss
Regulars
Space
The many-tentacled galaxy that could drive a physics revolution
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Space
Cosmological ruler could help us get the measure of dark energy
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Space
Dark matter took its time to wrap around early galaxies
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Physics
Keep an open mind on dark matter and rivals that do away with it
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Physics
Rules of attraction: Why it’s time to rethink how gravity works
Features
Space
TRAPPIST-1 worlds are close enough for life to hop between them
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Physics
Oldest, biggest black holes may have come from enormous stars
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Physics
How to dust a telescope’s 78-square-metre mirror with CO2
The Hobby-Eberly telescope in western Texas will soon look back 8 billion years to probe what dark energy is. It must be perfectly buffed for the task
Regulars
Health
To advance science we need to think about the impossible
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Physics
Cosmic uncertainty: Is the speed of light really constant?
Features
Physics
Universes that spawn ‘cosmic brains’ should go on the scrapheap
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Space
Rare mid-weight black hole found at heart of bright star cluster
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