Blood

The United States is a major exporter of many different resources, but one market segment is surprisingly large: human blood.

Researchers tested a small sample of 18 batches of blood for drugs such as caffeine and Xanax. All tested positive for caffeine and the vast majority tested positive for Xanax.

The FDA has granted approval for a drug that treats adult patients with a rare form of anemia that forces them to have regular blood transfusions.

The unnamed informant's family reportedly suffered under Islamic State rule prompting him to seek revenge, General Mazloum Abdi said.

California police are investigating.

Graphic images revealed the body of a dead girl recovered from the side of her terrified sister following an airstrike by the Syrian regime of Bashar al-Assad.

Introducing the Antarctic blackfin icefish.

Study adds to growing evidence that blood cells play a role in cognitive decline—but human implications are still a long way off.

The senator reportedly marked the door following a late-night fight with a senior aide.

MIDAS astronomer Jose Maria Madiedo confirmed the impact after reviewing telescope observations.

The pair were taken to hospital with injuries.

Why does this happen? Why do we always get a lunar eclipse during a full moon? What makes it red? My search for answers to questions like these fueled my interest in science.

Everything you need to know about the rare celestial event.

During such an eclipse, the full Moon moves into the shadow of the Earth cast by the Sun, and is momentarily darkened.

"There's a cost when speaking truth to power, and this time I paid the price by losing my job, but I'm not mourning, I'm organizing," Matt Bruce wrote on Facebook.

He recited poetry from his courtroom cage and told the judge that he is not a "maniac, murderer, or a cannibal."

The man hadn't experienced trauma to the area and had no history of unusual bleeding.

"Saudi Arabia is, and has always been, a despotic dictatorship in which dissent is not tolerated," Sanders said.

Many Americans are looking to help the thousands of people affected by the storm.

Forensic analysis of skeletons found in ash deposit reveal what happened to people in path of volcano.

Bacteria found in the human gut could help save lives by transforming Type A blood into Type O blood.

It's a method that many European countries have been using for years, but the U.S. is just now catching up.

German astronaut Alexander Gerst, a geophysicist and spaceflight veteran, photographed the eclipse from his temporary home about 250 miles above the Earth.

Researchers say there is no truth to claims that the artifact covered the body of Jesus Christ.

Scientists found that when they injected mice with a chemical from the blood of violent criminals, those rodents were far quicker to start fights with their fellow creatures.

Women—including those who slept for seven to nine hours a night—are significantly more likely to have elevated blood pressure.

Serious-injury patients with this blood type died at nearly three times the rate of patients with others.

We can see detailed images of cells in their natural environment, not just on a glass slide.

Certain molecules found in blood could help with early detection and new treatments.

The flying mammals can survive on a meal that almost no other mammal can.