People compare how aliens would reconstruct animals based on their skulls vs. what they really look like (28 pics) About 500 million years ago, not a single creature had a skull. Over time, these bony ...

The Atlantic wolffish is known for its powerful bite, capable of crushing hard-shelled prey with ease. Now, researchers have discovered that the fish's teeth don't just withstand these extreme forces, ...

The look of the Klingons underwent a drastic change for Star Trek: Discovery, and longtime Klingon player Michael Dorn has ...

With tons of "Star Trek" alien races depicted over the decades, consistency is a tall order. And in the case of these aliens, major changes went unexplained.

Find a black spot on your tooth? Be safe and get it checked out. While it could be a stain, it might be a sign of something worse. “A black spot on your tooth shouldn’t be ignored,” says Tammy D.

Tiny, dark spots on teeth could mean you have a cavity. Dental X-rays can find cavities early, especially ones you can't see. Untreated cavities may lead to an infection called a tooth abscess. Tooth ...

Abstract: This article proposes a multi-auxiliary-teeth pole-changing machine based on zero-sequence current. Through changing the direction of the zero-sequence current, the excitation flux field is ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...