Robin Lloyd

The distinction between birds and the dinosaurs from which they evolved is getting even murkier as scientists reported this week that both groups had short genomes, or complete DNA sequences.

The illegal trade in elephant ivory is growing, but new research points to the origins of trafficked tusks and a plan to prevent African pachyderm extinction.

You'd still have to go back many generations to find a relative who was a real chimp, but the dawn of humans is apparently not so long ago as was thought.

Legal immigrants chose in recent years to become U.S. citizens because they felt socially welcome, not so they could rake in welfare benefits, new social research shows.

Fish have the reasoning capacity of a 4- or 5-year-old child when it comes to figuring out who among their peers is "top dog," new research shows.

Corporal punishment is less likely in homes full of books and educational games.

Psychotherapy, or talk therapy, that identifies and corrects distorted thinking is effective at reducing symptoms in people with serious anxiety, a new review of research shows.

One species of bumblebee needs more help with the heating and cooling system than a Manhattan apartment dweller..

You don't have to be a rocket scientist to live a long and happy life, but a new study suggests it might help.

Why is there no terrifying T. rex version of a mammal? New research puts a 1-ton limit on lions, tigers and bears.

Enough with the dieting advice. Here is what actually worked for 99 percent of 5,000 people who lost weight and kept off at least 30 pounds of it.

Drug companies aren’t the only spin game in town when it comes to biased health-research claims.

Breast cancer patients who pray in online support groups get mental health benefits through reduced stress, a new study finds.

A gene known to be a major risk factor for Alzheimer's disease puts out the welcome mat for the virus that causes cold sores, allowing the virus to be more active in the brain.

Scientists have discovered a new gene that makes mice happy, a finding that suggests another avenue of drugs for improving depression in humans.

A new genetic method of detecting osteoarthritis could allow treatments to reverse the condition before symptoms set in.

Arthritis is a term that refers to more than 100 different diseases that affect the joints of about 21 percent of the U.S. population.

The pressure of the eyelid on the eyeball could cause one of the most common vision problems, new research shows.

The older we get, the more we regret choosing virtue over vice. So indulge a little, researchers say.

Scientists find pain's pathway to the brain in rats, suggesting possible new drugs that could switch it off in people.

Swarms of lowly thumb-sized ocean creatures play a critical role in transporting greenhouse gas carbon deep into the deep sea.

Scientists have discovered that a lowly bacteria appears to turn dissolved metal into solid gold.

Find out who is at greatest risk, how to really apply sunscreen, plus answers to 10 other burning questions.

The great deep divide is less impenetrable than Charles Darwin claimed.