Articles on Black holes

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A simulation of the ‘cosmic web’, the vast network of threads and filaments that extends throughout the Universe. Dark matter density is represented by the blue-purple colours on the left. Gas density is represented by the orange-red colours on the right. Esa

Could dark matter be made of black holes from a different universe?

The black holes could be relics from a time before the Big Bang.
A runaway black hole leaving a streak of new stars in its wake. James Webb Space Telescope / van Dokkum et al.

New fear unlocked: runaway black holes

Astronomers have spotted runaway black holes screaming through space, leaving trails of stars in in their wake.
An illustration of two black holes orbiting each other. Eventually they will merge, producing gravitational waves. Mark Garlick/Science Photo Library/Getty Images

Quantum effects make distant objects move together: new research finds this may happen with ripples in space

Gravitational waves carry information about massive cosmic events and help scientists to ‘listen’ to space.

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