CO2 envisioned as source of green fuel

Methanol isn't new as a fuel – late in the 20th century it gained some traction, especially as a blend-in in gasoline, but it's faded since then as a transportation option.

'Sweet spots' for life identified - and our solar system isn't one

Astrobiologists say they've discovered where in outer space complex organic molecules - the building blocks of life - are most likely to form.