Thirty-five years after Rio Tinto abandoned the Panguna Copper Mine, leaving behind a trail of destruction, poison and suffering, the forgotten residents of Bougainville are still waiting for answers.

This perspective-warping shot of the Rio Tinto river in Spain, taken by a drone high above the ground, makes the natural colors of the environment pop. It was the runner-up in the competition’s ...

To develop techniques to drill into the surface of Mars to look for signs of life, NASA and Spanish scientists recently began drilling 150 meters (495 feet) into the ground near the source of the ...