California-based startup Reflect Orbital aims to build a swarm of 4,000 giant mirrors in low Earth orbit to "sell sunlight" ...

A nation going alone and attempting to dim sunlight in one region could cause extreme droughts and other weather disturbances ...

The finding, based on data from the Daniel K. Inouye Solar Telescope in Hawaii, marks the first direct evidence of tiny twisting magnetic motions of energy-packed plasma waves in the sun's outer ...

Project Suncatcher envisions networks of AI satellites powered by sunlight, pushing machine learning beyond Earth. Imagine ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

A U.S. company is proposing to 'sell sunlight after dark,' saying it could help power solar farms and provide access to light ...

The tech industry is on a tear, building data centers for AI as quickly as they can buy up the land. The sky-high energy costs and logistical headaches of managing all those data centers have prompted ...

The astronomical community is horrified at plans made by a for-profit company to flood the night sky with sunlight.

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

NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

As 3I/Atlas neared its closest point to the sun in its orbit, the internet was abuzz with curiosity about the comet.