California-based startup Reflect Orbital aims to build a swarm of 4,000 giant mirrors in low Earth orbit to "sell sunlight" to customers at night. Experts warn that the mirrors could mess with ...

A startup that aims to keep solar farms running at night by reflecting sunlight from space has sparked controversy among astronomers whose work relies on dark skies. California-based Reflect Orbital ...

The Earth became darker from 2001 to 2024, meaning it reflects less sunlight, a research team reports in the journal Proceedings of the National Academy of Sciences. The development is more pronounced ...

The sun follows a roughly 11-year cycle of solar activity that begins with a prolonged quiet period, known as solar minimum, and builds toward an explosive peak, known as solar maximum — when our home ...

SEPTEMBER 22nd marks the autumn equinox and, in the northern hemisphere at least, heralds the gloomy six-month period during which the nights will be longer the days. As a result, millions of ...

In the WNBA, not many teams embody the toughness and grit in recent years quite like the Connecticut Sun. Former Sun head coach Stephanie White consistently pushes her roster to play with a bruising, ...