Elon Musk proposes satellite-based sunlight control to fight climate change, sparking debate over space geoengineering. The ...

The CEO of the largest satellite company in the world just proposed a bold—and totally misguided—solution to the climate ...

The concept, ripped from a Star Trek episode, would fill Earth's orbit with satellites to harness energy from the Sun and block out solar rays to help cool the climate.

Astronomers observed a massive, multi-temperature plasma eruption from a young Sun-like star, revealing how early solar ...