NASA's testing a solar sail system in space, and the spacecraft that brought the tech there has snapped a photo.

"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then." ...

NASA fully deployed its Advanced Composite Solar Sail System on Aug. 29 and has started testing it.

NASA has released the first look at its Advanced Composite Solar Sail System (ACS3) in orbit. Although the agency describes the device as currently “slowly tumbling” around the planet at an altitude ...

If you’re switching to solar energy, your homeowners insurance may cover your panels ... you from a big repair bill if your solar energy system gets damaged. Can solar panels save you money?

New simulations show that Jupiter's massive moon Ganymede was knocked off its axis when it was struck by a roughly ...

Jamie Carter is an award-winning reporter who covers the night sky ... be remnants left over from the formation of the solar system. ForbesIn Photos: See The 'Super Harvest Moon' Set-Up ...

Ken Silverstein covers global energy ... However, a centralized system is the most efficient method to distribute electricity to the masses. A utility-scale solar system connecting to the electric ...

Tata Power Solar ... will cover all 33 districts of the State,” he said. “In line with the PM Surya Ghar Yojana, residents ...

This means it can replace or upgrade a homeowner's roof before installing solar to boost efficiency and make sure that the most important foundation of any rooftop solar system is going to last ...

but insurance coverage can save you from a big repair bill if your solar energy system gets damaged. Here's what you need to know about how homeowners insurance does -- or doesn't -- cover solar ...