Space
Black holes eat negative energy and vomit out huge powerful jets
Many black holes shoot out powerful jets of plasma and radiation, and they may be partially powered by strange particles that appear to have negative energy
News
Physics
Star smash-up is yet more evidence Einstein got it right about gravity
News
Physics
The space-time echoes that point to a new theory of reality
Features
Physics
Why now doesn鈥檛 exist, and other strange facts about time
Features
Physics
Why 2018 is looking like it will be the year of the black hole
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Physics
Super-accurate atomic clock used in real world for first time
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Physics
Parallel universes could solve a big problem with black holes
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Physics
Space-time and gravity might be born from the quantum world
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Physics
Free-fall experiment could test if gravity is a quantum force
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Physics
Dark energy survives neutron star crash test while rivals fail
We saw gravitational waves and light at the same moment from a neutron star merger, which means Einstein was right and some alternative theories are dead
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Physics
The most precise atomic clock ever made is a cube of quantum gas
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Physics
The cosmic dance of three dead stars could break relativity
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Physics
Time to embrace our odd place in the cosmos, inside a huge void?
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Physics
Quantum effects cloak impossible singularities with black holes
News