A new interactive map shows hundreds of targets inside Russia that Ukraine could hit with its US-provided ATACMS if the White House gave it the green light to do so. The presentation comes after ...
Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...
With eight billion people, we use a lot of the Earth's resources in ways that are likely unsustainable. Klaus Hubacek, ...