Physics
Keep an open mind on dark matter and rivals that do away with it
The hunt for dark matter particles has been fruitless and expensive, so it’s encouraging that fresh competing theories are being taken more seriously
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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
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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Physics
Have we found evidence that we live in a holographic universe?
A new analysis has prompted claims of significant evidence having been discovered that our universe is a hologram. Is it really, wonders Geraint Lewis
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Earth
Earth’s water must have arrived here earlier than we thought
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Space
First evidence of dwarf galaxy merger boosts two cosmic theories
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Space
Binary stars shred up and shove off their newborn planets
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Space
Milky Way’s core could be spewing out planet-sized star chunks
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