Matthew Van Ankum enjoys his newfound freedom. With a RockSolar solar-powered pump, his remote livestock watering system runs ...

Thinking about our planet’s future means we have to talk about energy. It’s not just about keeping the lights on; it’s about ...

The film adaptation of Andy Weir's novel is a gripping, often hilarious, tour de force through space, and a beautiful story ...

A Japanese company has come up with a striking idea: build a giant ring of solar panels on the moon and send the energy back ...