Experts at the Smithsonian are using 3D scans of artifacts, like this 19th-century explorer's skull, to recreate the past. 

By Sara CannMen's Health Chomping on gum all day long won't just annoy your cube mate--it'll muck up your memory, too. Researchers at Cardiff University in the U.K.

Flocks of cedar waxwings died en masse outside Los Angeles after overdoing it on berries from the Brazilian pepper tree

Today’s global demand for more efficient cars follows two centuries of shifting attitudes toward fuel-guzzling vehicles, from Model T to Rambler, from Hummer to Prius.

Did you know that you smile when you're frustrated? Starting at 1:20 in the video below, witness a behavior that you may find novel -- and doubly so because you're a human being who is exquisitely tuned to reading the emotional expressions of others.

A tomb yields more than 80 mummies and skeletons -- many belonging to babies.

Bone flutes found in southern Germany push back the date human creativity evolved.

The Peruvian government claims that nearly 900 dolphins died of natural causes. A separate study disagrees.

Italian doctors have saved the life of a 16-month-old boy by implanting the world's smallest artificial heart to keep the infant alive until a donor was found for a transplant.

NASA has put out an official document specifying how close any future spacecraft and astronauts visiting the moon can come to the artifacts left there by all U.S. space missions.

Two exhibits focusing on the best-known figures from ancient Egypt, King Tut and Cleopatra, are in the last stages of their U.S. tours — and their departure could signal the end of an era.

Plants, of course, don't have noses. But there is a vine that can smell the difference between a tomato and a stalk of wheat.

Meat processors blame social media and their own lack of transparency for the "pink slime" storm. But will consumers ever trust the industry when it comes to understanding how the food processing system works?

If all continues to go well, a private spacecraft sent to orbit by the company SpaceX is expected to dock with the International Space Station Friday. The mission is historic because it is the first for the commercial spaceflight industry.

Search for brown dwarfs reveals odds of stellar success