NASA’s satellite instruments have detected a steady decline in the planet’s reflectivity, meaning Earth now sends back slightly less of the Sun’s light into space. That change, measured with precise ...

Zurich — The ability to explore remote worlds in space has been enhanced through a polarization technique that allows the first ever detection of light reflected by extrasolar (exoplanet) planets. The ...

Forward-looking: A California startup is looking to space to solve the limits of ground-based solar power. Reflect Orbital is developing a constellation of satellites with giant Mylar mirrors to beam ...