Some 5 billion years from now, the Sun will expand and become a red giant. And Earth might be just in the way... If humans ...

Deep inside Earth is a solid metal ball that rotates independently of our spinning planet, like a top whirling around inside a bigger top, shrouded in mystery. This inner core has intrigued ...

Researchers across the globe are already working on ways to destroy or at least redirect any killer asteroids before they slam into the Earth. But what if scientists discover that Earth is threatened ...

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far, lasting 1.36 ...