The Earth's hard outer layer (where we live) is called the crust. It is made up of large slabs called tectonic plates. The plates fit together like jigsaw puzzle pieces far beneath our feet.

This site displays a prototype of a “Web 2.0” version of the daily Federal Register. It is not an official legal edition of the Federal Register, and does not replace the official print version or the ...

After last-minute negotiations between the USA and Canada, the two countries’ planned reciprocal import tariffs have been paused for 30 days. On 1 February, US President Donald Trump officially ...