An instrument on the International Space Station is providing new insights into some of the Universe’s most baffling objects.

Neutron stars have puzzled scientists for decades. It’s known that these ultra-dense objects are born from the remnants of supernovae, yet what’s under their surface, and what processes that go on within them, remain a mystery.

Now, an instrument called the Neutron Star Interior Composition Explorer is providing new information to help answer these questions, ushering in a new era of research into these strange stars.

This is an audio version of our feature: The golden age of neutron-star physics has arrived

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