The vampire bat might be nature’s purest super-villain. But it’s not the only flyer known to subsist off of the blood of its ...

Developed by ancient Greek thinkers in the 5th century BCE, the theory of the four humors continued to develop during the ...

Astronomy enthusiasts might be lucky enough to catch a rare lunar eclipse this week, as the moon is set to illuminate the sky with a stunning red hue.This month’s full moon, known as the worm moon, is ...

Even though human behavior and emotions fall within a defined range of expressions, one puzzle remains: why aren’t these ...

A blood clot is a gel-like mass of blood that can form as a natural part of wound healing. But blood clots that occur within arteries or veins can be dangerous and even life-threatening if they block ...

One Iranian woman with Rhnull blood had several pregnancy losses. Most blood types fall into one of four blood type groups, according to whether they contain A or B antigens. For example ...

Over time, this buildup can cause the arteries to harden or narrow, disrupting the flow of oxygen-rich blood throughout the body. Poor circulation can lead to various symptoms affecting the ...

Team USA’s battle with Canada in the 4 Nations Face-Off finale saw record viewership, according to ESPN. Thursday’s showdown drew an average of 9.3 million viewers, the largest ever for an ...

A four-year-old girl has donated her stem cells to her two-year-old sister, who is battling acute myeloid leukemia (AML), a severe form of blood cancer. This marks the first-ever allogeneic bone ...