First, light passes through the optical components of the eyes such as the cornea, pupil and lens. Together, they help focus the light onto the retina that senses light, while also controlling the ...

We already rely heavily on hydrogen gas as a fuel source, and it's considered key to reaching crucial carbon-neutral goals.

Antarctica's icy wilderness is warming rapidly under the weight of human-driven climate change, yet a new study points to an ...

Ever since its formation around 4.5 billion years ago, Earth's rotation has been gradually slowing down, and its days have gotten progressively longer as a result.

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new ...