Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

Tony Tyson’s cameras revealed the universe’s dark contents. Now, with the Rubin Observatory’s 3.2-billion-pixel camera, he’s ...

Light is everywhere, and it's made of photons,tiny particles that move at the speed of light through space, traveling vast distances in an instant. When you turn on a light in a room, photons begin to ...

Excitons—bound pairs of electrons and an electron hole—are quasiparticles that can arise in solids. While so-called "bright" ...

The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." ...

We present an approach to retrieve daily minimum and maximum 2-m height air temperatures from 18.7, and 23.8 GHz H and V polarized brightness temperature from the Advanced Microwave Scanning ...