For decades, generating solar power has meant installing big, black solar panels on your roof. But what if you could generate electricity by harnessing invisible light that passes through your windows ...

Solar-collecting windows could make office buildings and skyscrapers more energy efficient, but harnessing solar power while retaining transparency is a tricky engineering problem. A new study from ...

Attic insulation upgrades often deliver payback in under three years, faster than almost any other home energy project. New windows carry a hefty price tag but frequently save less than simple air ...

In the early 198os, my dad installed a solar thermal panel on our roof in Florida. For a 5-year-old, the big black square looked like a portal into the future. The device, essentially a glass box with ...