The massive Arctic island is mostly empty, but there are still plenty of reasons why President Trump would want to bring it ...

While Earth is warming in total, not all parts are warming at the same rate or at the same time. Understanding these variations can help scientists forecast future changes and climate-related impacts.

This discovery challenges our understanding of Earth’s early history and could shed light on the origins of life.

The North Pole is the point at the top of our planet where the Earth’s axis of rotation meets the surface. It is not a place.

Question: Why do people say, "Winds aloft are true," when what is forecast is often notoriously inaccurate from what you really experience at altitude? I am a student pilot and this has messed me up ...

The country supports some of the world’s most important satellites. But experts worry about its proximity to Russia.