A blood glucose test measures how much sugar you have in your blood. You may have a blood glucose test in a doctor’s office, laboratory, or with a fingerstick meter at home. When you eat ...

Period blood color can change from bright red to dark red, pink, or brown at different points during menstruation, though it's not typically an indicator of your overall health. Color can change with ...

Blood clotting disorders are inherited or acquired conditions that affect the body’s ability to form blood clots. Some types of blood clotting disorders may cause excessive formation of blood clots, ...

Scientists are exploring the production of artificial blood amid shortages of blood and the need for safe transfusions. Millions of people die globally each year due to lack of access to blood ...

The total lunar eclipse was visible in the U.S. from March 13-14. Stargazers had a sight to behold Thursday night as a "blood moon" total lunar eclipse appeared in the sky. The total lunar eclipse ...

See detailed maps of where and when to watch the dramatic 'Blood Moon'. The first total lunar eclipse since 2022 is set to grace the night sky tomorrow (March 13-14, 2025) — but only for those ...

Lunar eclipses are sometimes called blood moons because of the phenomenon. During a lunar eclipse, the moon gets its red coloration because any sunlight that's not blocked by the Earth is filtered ...

This is when a so-called “blood moon” lunar eclipse plays out, visible in North and South America, parts of Africa, the Pacific, and Europe. So what causes a lunar eclipse, when is the best ti ...

People gather to watch a “blood moon“ eclipse in Melbourne, Australia, on July 28, 2018. On March 13-14, 2025, skywatchers across North America will have a prime view as the Moon turns red ...