A proposed constellation of satellites has astronomers very worried. Unlike satellites that reflect sunlight and produce ...

Just as you bounce sunlight off a watch face into a light spot, Reflect Orbital’s satellites would use mirrors to beam light onto Earth.

After a period of relative quiet on the surface of the sun, it is ramping up again in an era of high activity. It could ...

Once you've found a few potential helmets, read various reviews to learn the positives and negatives of each unit.

In this experiment, regulation softballs are thrown at various everyday objects to observe the surprising results of their ...

Some say advances in perovskite solar cells mean we are on the brink of the next solar revolution. Others aren't so sure.

Solar string light bulbs can range from 5 to over 100 lumens per bulb. Buyers often choose solar lights for their glowy appearance rather than their brightness, so lower lumens often work well to set ...

The EcoFlow Power Hat promised to be a stylish solution for off-grid power but it delivers too little power to be useful and has an ugly design.

Researchers at Michigan State University have discovered how to "draw" on demand the crystals used in many crucial ...

As climate change leads to more electricity blackouts and brownouts, the reliability of everyday refrigeration is at risk. A new IEC Standard, together with solar innovations in Africa and Asia, ...

Con Ed and NYSEG are pushing for double digit rate increases next year, trying to jack up prices by hundreds of dollars just ...