Imagine standing at the rim of a vast caldera, the earth beneath your feet formed by unimaginable forces millions of years ...

This week, an all-new series of controversies centered on U.S. Secretary of Defense Pete Hegseth has erupted in controversy ...

It's probably the largest flood in our planet's history.

We haven’t figured out exactly what gives them their shape, determines altitude – or makes them rain when they do. But ...