Jupiter’s icy moons may have been seeded with the chemical ingredients for life from the very beginning. An international team of scientists modeled how complex organic molecules—essential building ...

O’Neill made his space colony idea profitable by having them build solar power satellites. Huge solar arrays would be deployed in space, collect solar power 24 hours a day and then beam it to Earth.

California's residential electricity prices are among the highest in the country. That makes heat pumps a tough sell to many ...