Humanity has already flung machines into interstellar space, but sending people is a different problem entirely. The physics ...

Across neuroscience, psychology and fringe physics, a provocative idea is gaining new language: that the human mind might be ...

Another day, another ambitious company emerges to harness the power of the Sun from Earth's orbit. Okay, it's not quite that common an occurrence, but there are indeed a number of firms giving this a ...

Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...