Our universe is full of mysterious sights and sounds. Explore some of our most frightful finds from past Halloweens.

We based each pick on our in-depth solar methodology, which focuses on key factors such as system components, price and warranties to help you find the best fit for your off-grid solar project.

A residential solar system from one of our top providers costs between $20,000 and $36,000. Eighty-five percent of respondents in our June 2024 survey of 1,000 homeowners with solar systems said ...

In the case of a lease or PPA, customers don’t own the solar system and cannot take advantage of federal incentives. Often in place of your monthly electric bill, the solar installer charges ...

Are your kids obsessed with superhero movies and ready to unleash their inner superheroes? Whether they want to dress up as ...

Engineers built a solar-powered desalination system that produces large quantities of clean water despite variations in sunlight throughout the day. Because it requires no extra batteries ...

Solar eclipses thrill skywatchers every year. You just have to be in the right place at the right time. A solar eclipse occurs when the moon is positioned between Earth and the sun and casts a ...

Solar panels typically last 25-30 years. First, consider your average household energy needs. This tells you how big of a system you need. If you’re prone to regular power outages, a solar ...

But first, we need you to sign in to PBS using one of the services below. Around our solar system, violent eruptions are shaping distant worlds. Discover the explosive forces that helped create ...

“This increase in activity provides an exciting opportunity to learn about our closest star − but also causes real effects at Earth and throughout our solar system.” This peak of activity is ...

Narrator: Serious scientists, like myself, believe our solar system was formed by the collapse of a giant cloud of gas and rock and is held together by the gravitational pull of the Sun.

THE question of the origin of the solar system is one that has been a source of speculation for over a hundred years; but, in spite of the attention that has been devoted to it, no really ...