The Principle of Conservation of Energy states that energy can be changed from one form to another but the total amount of energy does not change. Energy is measured in joules (J) and 1 J is ...

Learn all about thermodynamics, the science that explores the relationship between heat and energy in other forms. When you purchase through links on our site, we may earn an affiliate commission.

A new study demonstrates that an energy system based completely on renewable forms of energy will be economically viable in the future. Within ten years, solar and wind power will be the cheapest ...

What powers life? In most ecosystems, sunlight is absorbed and converted into usable forms of energy via photosynthesis. These usable forms of energy are carbon-based. A primary example of this ...

Mary Cunningham is a reporter for CBS MoneyWatch. Before joining the business and finance vertical, she worked at "60 Minutes," CBSNews.com and CBS News 24/7 as part of the CBS News Associate Program.

Potential energy is the latent energy in an object at rest, and is one of two forms of energy. The other form, kinetic energy, is the energy expressed by an object in motion. Potential energy is a ...

NPR's Ayesha Rascoe speaks to Jesse Jenkins of Princeton University about enhanced geothermal energy, a clean, renewable power source that is being tested on a large scale. Enhanced geothermal energy ...

With new and improving clean energy sources on the rise across the country, this Clean Energy Week I am highlighting our most reliable form of baseload energy: hydropower. As a proven energy source ...