The James Webb Space Telescope has turned what looked like simple red smudges and faint galactic cores into a radical new ...

A macular hole is when an opening forms in the middle of the light-sensitive tissue at the back of the eye. It can lead to people having a blurry or black spot in the center of their vision. The ...

A macular hole may progress through four stages, each with different features. An early stage hole may resolve without treatment, while a later stage hole typically requires surgery. The macula is a ...

Albert Einstein's theory of gravity, general relativity, may not be the best recipe to describe black holes. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...