Robert Roy Britt

Getting a few extra hours on the weekend cannot make up for all the harms of being sleep-deprived during the week.

Are you always tired? You may sleep eight hours every night, but your sleep may not be efficient. Here's how to get better sleep, every night.

Scientists have puzzled over what caused the "snowball Earth." Now they say an evolutionary shift was to blame.

Biological activity in some Arctic lakes has ratcheted up dramatically over the past 150 years.

Industrial pollution, if not curbed, could devastate marine organisms by the end of this century, a new report warns.

Scientists have taken another step toward the goal of rendering objects invisible using high-tech cloaks that redirect light.

Intellectual activities make people eat more than when just resting.

UK survey: 29 percent of teachers there think creationism and intelligent design should be taught as science.

How life began is one of life's great mysteries.

This romp through the LiveScience archives reveals why we ...

It would have trumped Elvis and Hoffa, for sure, if the King of Pop could have risen from the dead.

Male fetuses are wimps, and a new study suggests a mother's body will purposely abort a male when times are tough.

In power politics and business, there are only two colors of ties: red and blue.

The moon holds a mystical place in the history of human culture, so it's no wonder that many myths exist.

Huge creatures that went extinct, and other big animals that still roam this planet ... for now anyway.

Go ahead and call a pigeon a birdbrain. Just don’t challenge it to the tedious game of "Categorizing Tumors as Cancerous or Benign." The pigeon may well win.

Male bumblebees are good for more than just sex. Turns out, they've got smarts as well and get flying colors on flower tests just like females.

It's so hot today you could fry an egg on the sidewalk. Or could you? The science on this is a bit sketchy, so I tested it out.