A great number of health problems, and consequently the medical treatments for them, involve how blood flows through the body. Heart attacks are caused by restricted blood flow to the heart muscle.

As September approaches, stargazers and astrophotographers are in for a rare spectacle as the Moon will turn blood red. On the night of September 7-8, 2025, stargazers across much of the globe will ...

INDIANA, USA — Look up mid-March, and you'll see the moon turn blood red. The next total lunar eclipse will occur on the night of March 13-14 (Thursday-Friday) across the western hemisphere as the ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Deep in the arid landscapes of Socotra, the Canary Islands ...