Scientists challenge black hole theory, say dark matter core may lie at centre of Milky Way

Lead author Valentina Crespi explained that this dense dark matter core could bend light so strongly that it creates a dark ...
The Conversation

Earth’s inner core: nobody knows exactly what it’s made of – now we’ve started to ...

The iron-rich core at the centre of our planet has been a crucial part of Earth’s evolution. The core not only powers the magnetic field which shields our atmosphere and oceans from solar radiation, ...