Overnight, our planet has gone from a pale blue dot to a glistening white snow globe. Stretches of Earth have become frozen wastelands that are completely inhospitable. And billions of people have ...

The global river crisis is worsening. Learn about the causes behind the decline of vital waterways and their significance.

Explore Arizona’s most remote and otherworldly spots, from sweeping deserts to hidden canyons, where adventure and solitude ...

A desire for greater sovereign control over satellite services has boosted demand for satellite fleets across the globe.

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

The fix to this problem might come in the form of tools instead of changes to the spacesuit itself. Rubins said astronauts ...