PJM Interconnection — the regional power grid operator — is predicting a "significant growth in electricity demand " over the next 20 years. PJM estimates the peak summer demand for its 13-state ...

NASA's asteroid samples contain organic compounds and minerals that may have seeded early Earth with life's building blocks.

Paul Liberatore is the founder of Golfers Authority, which reviews the world's best golf products and gear. This post contains affiliate links, where we may rec ...