Scientists discover why photovoltaic cells will never beat the green leaves

Architectural features that eliminate artificial heating or cooling of a building are becoming de rigeur

Harnessing solar energy has been a long-standing scientific goal. The latest approach employs chemicals that, like the leaves of a tree, soak up solar energy for use later

NEVER take an expert's word as gospel -- that's what a team of Australian schoolboys would tell you. Despite experts warning them their project wouldn't work, the schoolboys have successfully built

An astrophysicist tries to explain why, in violation of the laws of thermodynamics, the corona is hotter than the Sun.

Sunlight can be used to treat cancer using a method developed by University of Tokyo researchers. Their method focusses sunlight on the cancer-affected areas using optical fibres. The

It is possible to design buildings that stay cool in summer and warm in winter and save energy. But interest in solar passive architecture is still limited