Rivers, streams, lakes, and reservoirs aren't just scenic parts of our landscape -- they're also vital engines for life on Earth. These inland waters 'breathe' oxygen, just like we do. But a new study ...

As the world shifts toward sustainable energy sources, 'green hydrogen' - hydrogen produced without emitting carbon - has emerged as a leading candidate for clean power. Scientists have now developed ...

LED bulbs come with big promises, like energy savings and lights that will last for years of use without burning out like old incandescents. Many of those promises are true, but we bet you've noticed ...