Ashley Hamer

Babies usually rub their eyes when they're tired, but why?

Clothes don't survive the way artifacts made of stone, bone and other hard materials do, so scientists have to get creative to answer this question.

Taste receptors have been found far beyond the tongue, but do they help perceive taste or work like the ones in our mouths?

Earth moves around the sun at 67,000 mph and makes a full rotation once every 24 hours. So why can't we feel the Earth's rotation?

Humans have all kinds of pets, but do any other animals have them too?

What you think is cat vomit may actually be something else, like a fur ball or regurgitation.

The moon's halo is always 22 degrees wide in the night sky when it appears. So what causes it?

Trees don't fit into a species, family or even an order. So do they really exist, scientifically speaking?

Here's a good rule of thumb for how to approach exercise when you're sick, according to a sports medicine doctor.

Here's how scientists know which colors dinosaurs flaunted.

Here's the science behind itchy scabs and the best way to help your skin heal.

There aren't any gaseous moons in the solar system, but here's what it would take for one to exist elsewhere.

Strange 'domain walls' act like independent quantum object in the new experiment.

Here's how snakes can hiss even though they don't have front teeth.

Russian troops have captured the Chernobyl nuclear power plant, which still contains nuclear waste that could pose a threat to the surrounding area.

Tigers may be orange, but their prey don't see them that way. Here's why it doesn't matter that these giant cats are brightly colored.

Here's why you sometimes hear a hum when you turn on an electric device or walk near a transformer.