No one knows what dark matter is made of, but scientists are confident it’s something that doesn’t interact with electromagnetic radiation, such as light—or else we’d be able to see it.

For one thing, a fifth force might help explain a major unsolved physics puzzle: the identity of the unknown source of mass throughout the universe known as dark matter. So scientists are on the ...

The web version of Google Calendar has been given an official dark mode The feature is rolling out globally this week to all Calendar users Google has also given Calendar a "refreshed user ...

Climate change and chronic water mismanagement are placing "unprecedented stress" on the world's water systems, according to a new report. More than half of the world's food production is at risk ...