A 1.3-MW solar system built atop the Cornell School District in Coraopolis, Pennsylvania, will offset 100% of its annual ...

Any homeowner thinking of going solar should act sooner rather than later, as tax incentives will expire at the end of the ...

Solar panels are still an expensive home upgrade, but they're much cheaper than they were a decade ago. The national average cost of solar panels is $2.69 per watt, according to a recent report from ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

Discover the dramatic forces creating spectacular weather on neighboring planets and moons. Out in the solar system, the weather gets wacky – with globe-spanning dust storms, monsoons of liquid ...

What are the weirdest worlds in our solar system, and how did they come to be? From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt. Everest, to the ...