When those particles reached the planet, they triggered a rare aurora in Mars's upper atmosphere. Unlike past detections of Martian auroras, which appeared only in ultraviolet light and required ...

The International Energy Agency said today that it expects global demand for oil to contract by 420,000 barrels a day this year, compared with its previous forecast of an 80,000-barrel-a-day decline.

The surface of Mars may be littered with traces of the same minerals that make up rubies, sapphires and opals on Earth—but there are critical differences that mean any potential future mining ...

A round trip from Earth to Mars takes about three years. New research suggests a potential shortcut to Mars, inspired by an asteroid's orbital path, that would reduce the journey to as little as 153 ...

Add Yahoo as a preferred source to see more of our stories on Google. Under the best circumstances, a trip from Earth to Mars and back would take a spacecraft three years to complete. And that's ...