These are some of the lessons I learned living in my car for a ...

The liquid iron in Earth's outer core doesn't always behave as expected. When it changed direction in an unexplained way, ESA ...

The vast sea that vanished millions of years ago didn't just disappear quietly. New research shows it may have pushed up ...

Most of us learned the same list in school: seven continents, give or take a geography teacher’s preference for merging ...