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X-rays

Northern lights

Earth

The Northern Lights make a mysterious noise and now we might know why

For 30 years, one man has been obsessed with the whisperings of the aurora borealis. His search for its origins may finally be over

Features

A ghostly trick produces X-ray images with a lower dose of radiation

Health

A ghostly trick produces X-ray images with a lower dose of radiation

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Violent black holes spit neutrinos at Earth and we finally caught one

Space

Violent black holes spit neutrinos at Earth and we finally caught one

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war planes

Technology

The US wants to build an X-ray bomb to destroy chemical weapons

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Amazing GIF shows dust and cosmic rays raining down on comet 67P

Space

Amazing GIF shows dust and cosmic rays raining down on comet 67P

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Gundelach tubes

Physics

Ghostly images show the history of X-ray tubes

Regulars

Illustration of colliding neutron stars

Space

Light from LIGO’s neutron star smashup just got even brighter

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Bizarre supernova may be powered by hidden disc of dust and gas

Space

Bizarre supernova may be powered by hidden disc of dust and gas

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Black holes that shred stars burp out cosmic rays and neutrinos

Space

Black holes that shred stars burp out cosmic rays and neutrinos

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Tracking the first interstellar asteroid back to its home star

Space

Tracking the first interstellar asteroid back to its home star

Last month, astronomers saw the first asteroid from outside our solar system speed by. Now, they're tracing its orbit back to find out where it came from

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Physics

Cosmic rays have revealed a new chamber in Egypt’s Great Pyramid

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Space

Far-off galaxies are firing rare high-energy cosmic rays at us

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Technology

Eight great accidents in scientific discovery

Features

Space

Mystery cosmic objects light up in X-ray then go dim in an hour

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