Grades 9-12 Learn about the cause of sunburns, in this video from NOVA’s Gross Science series. Sunlight is made up of many ...

Have you ever wondered what our solar system looked like 3.8 billion years ago? Were the planets we know today anything like ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

What is the Solar System truly like? In this video, we take a closer look at real images captured by NASA and other space agencies, showcasing our planets and the vast beauty of the Milky Way without ...

Watch interstellar comet 3I/ATLAS live online tonight as it races toward the sun on a rare visit from beyond our solar system.

The M-class flare was accompanied by a coronal mass ejection currently forecast to land Earth with a glancing blow on June 18.

Solar panel costs can be affected by many factors, including system size, type of panel and home electricity needs. We break down these and other factors in our solar panel cost guide.

The Proba-3 mission, consisting of two spacecraft that fly in close formation to study the sun, has returned images of the first ever artificial solar eclipse ...

Interested in going solar? Read about Vivint Solar’s system costs, panels, installation and warranties — and read verified customer reviews.

Fairfax County, Virginia is converting 37 acres of the I-95 Landfill, in Lorton into the county’s largest solar array.