An innovative new window system keeps your home comfortable without using a single watt of electricity and could change the way we think about energy efficiency in buildings.

Whale song can be as efficient as – and, in some cases, more efficient than – human communication, according to a new study in Science Advances. Meanwhile, new unrelated research in Science further ...

Rare earth elements are vital to developing critical infrastructure that supports global industries. InMotion's investment in Cyclic Materials brings Series B to $55M.

A vast field of tall, skinny trees sways in a light breeze. In the future, poplar trees in a scene like this could be a ...

Computers are great a processing large amounts of data very quickly. What computers aren’t nearly as good at (though the ...

Photovoltaics (PVs), devices that can convert sunlight into electrical power, are becoming increasingly widespread and more ...

Fuel economy is a perennial concern for car buyers, with record fuel prices being a painful memory for many drivers. But Consumer Reports’ tests show that you don’t have to sacrifice fuel ...

But the performance can vary widely, even among hybrids. Below, we spotlight the 10 most fuel-efficient cars based on Consumer Reports’ overall fuel-economy test results.

Our guide to the best energy-efficient kettles will help you to avoid a wasteful boiler with our Best Buy recommendations and expert buying advice. To be energy efficient, a kettle should have a low ...