A: Dark matter is called “dark” because it doesn’t give off or interact with light — including through scattering. It is simply the nature of dark matter and why it is so difficult to study. But some ...

The yearly cycle of smartphone software updates is once again underway. Apple has just announced that its yearly developer conference WWDC, where iOS 13 is set to be unveiled, will take place at the ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

In the world of ultra thin semiconductors, strange forms of light and matter mingle in ways that feel almost mysterious. One of the most intriguing examples is the dark exciton, a fragile pairing of ...