Astronomers have found a breakthrough the "little red dots" mystery, suggesting they're an extreme object powered by ...

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 ...

This composite image shows the central region of the spiral galaxy NGC 4151, dubbed the “Eye of Sauron” by astronomers for its similarity to the eye of the malevolent character in “The Lord of 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 ...