Besides the long-term savings, heat pump water heaters have become more affordable with state and local rebates and federal ...

For almost 150 years, visitors have ventured to central Colorado to soak in pools at Mount Princeton Hot Springs Resort, a ...

NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...

A "solar skin" of photovoltaic panels covers this barn-like home in Hokkaido, Japan, which has been completed by Tokyo-based ...