Why do colder European countries often have warmer, cheaper-to-heat homes than Britain?

Scientists at UC Santa Barbara have created a remarkable new material that works like a “rechargeable solar battery,” storing ...

One big hurdle to harvesting power with this new solar technology is government red tape. Here's where you can and can't take advantage of plug-in solar systems.

Pairs of correlated or entangled photons are a foundational resource in quantum optics. They are most commonly produced ...