United States and Japan are dusting off old geopolitical frameworks for the Pacific not seen since World War II.

Is your child the next Nate Seltzer? If they are curious about the different parts of the world, then this geography quiz for ...

President-elect Donald Trump made some news earlier this week by suggesting he would rename the Gulf of Mexico and call it ...

In the cramped confines of a small cavern to the south of Paris, scientists have 'read between the lines' on the floor and ...

We propose PTS-Map, a 2.5D probabilistic terrain state map to address these issues. PTS-Map sequentially updates the ground surface state and above-ground elevation state, explicitly distinguishing ...