Studying alien ice on Earth

A flash of green laser followed by pulses of X-rays, and mere nanoseconds later an extraterrestrial form of ice has formed. The miniature crystal reveals how water solidifies under high pressures, like those expected in icy comets, moons and planets.

A possible path to sustainable ethanol for fuel

Most of the fuel additive ethanol used in the U.S. is made from corn. But new research reveals that copper can turn carbon dioxide into ethanol without using corn or other plants.