Understanding the similarities and differences of the deserts on Earth and Mars will help space travelers survive future ...

Prepare to have your mind blown by the most jaw-dropping, bizarre, and out-of-this-world geography facts that will completely change the way you view our planet. From hidden continents to lakes that ...

New research from HKU geologists suggests that Earth's first continents were born not from plate tectonics, but from deep ...

The national debt has increased under most U.S. presidents. Here is how much each president's time in office added to the U.S. debt by percentage and dollar amounts.