How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

The Conversation is asking kids to send in questions they'd like an expert to answer. Utsav, age 17, wants to know where black falls on the colour spectrum. A colour scientist explains. People love ...

Three years ago, at the age of 48, Camilla Rees had to leave her apartment in downtown San Francisco. Not because of the rent, she says, but because of the radiation. Her personal radiation meter -- ...

The James Webb Space Telescope (JWST) has a habit of showing familiar objects in a new light. With cameras sensitive to a ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. In the last few weeks I've been working on a slightly more formal ...

We can use the colors of Europa’s surface to tell us about the chemical compounds that make up the surface — and subsurface — of the jovian moon. Even before the first spacecraft made a close visit to ...