Solar cells convert sunlight into clean energy—but if the solar cells themselves are made of toxic materials, it almost ...

Nanocellulose dyed with red onion skin extract can protect solar cells from up to 99.9% of UV radiation up to 400 nanometers.

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...