An artifact from space provides more evidence of the Red Planet’s watery past
Mr. Green Jeans: Levi’s Detoxifies Its Supply Chain
After coming under fire from a major environmental group, Levi Strauss moves to clean up its production process. Will other clothing manufacturers follow suit?
Window on Infinity: Pictures from Space
From a glorious view of Saturn to the Geminid meteor shower, view our monthly roundup of cosmic highlights from December 2012.
Volcanoes on Venus? New Clues, and Mysteries, About Earth’s Boiling Twin
The evidence: A sharp decline in detected sulfur dioxide on the surface of Venus. The culprit: A volcanic eruption, caught in the act?
A Rig Accident off Alaska Shows the Dangers of Extreme Energy
A drilling rig runs aground off the Alaska coast, underscoring the dangers of Arctic drilling