Alpacas have pear-shaped ears and short noses, whereas llamas have longer, banana-shaped ears and lengthier faces. Alpacas ...

If you consider the Roman Empire to have ended in 476 and count only emperors who were old enough to rule for their entire ...

A prominent Nature study and related research raise the possibility that vaccines may have a broader role in experimental ...

After chemotherapy, some people get "chemo curls" and other changes to their hair texture and appearance. But why?

When mathematicians revived ignored mathematical structures, they found that overlooked particles, called "neglectons," could ...

Meteorite diamonds, which could be 58% harder than ordinary diamonds, have finally been made in the lab. Scientists have ...

Scientists have captured a video showing the implantation of a human embryo for the first time, using a laboratory model of a ...

The ghostly light, which was triggered by a rocket reentry, sailed across the night sky as skywatchers across the U.S. looked ...

From pocket-sized laser projectors to educational toys for budding astronomers, these are our favorite star projectors on a ...

Blue whales sing less when they are starving and sing more when food is plentiful, a recent study revealed. Researchers ...

Whether you're navigating remote trails, photographing the stars or bird watching after dark, these headlamps offer ...

Treat your teeth to the best electric toothbrush we've ever tested, now on sale for 60% off, and a huge $120 saving ...