Robert Roy Britt

Momentum has shifted in the debate over global warming as skeptics gain the upper hand.

Older people need less sleep, but many still don't get enough.

Record-breaking cold and heavy snow this winter is unusual but not unprecedented, climate expert says.

Mild electric shocks, a process called TENS, is ineffective.

A new study finds food waste per person has shot up 50 percent since 1974.

Thanksgiving is no longer what the Pilgrims had in mind. Plus, what we now know about turkeys.

Carbon taxes have been aimed at individuals and businesses. Which is better?

An inherited cellular repair mechanism thwarts aging and perhaps helps prevent disease.

Is it ethical to stick human DNA into lab animals? Vote.

Drinking coffee to get through the night shift may have consequences on sleep.

Hwang Woo-suk is convicted of fraud, but bad science abounds in medical research.

A simple spritz of a fresh-smelling window cleaner made people more fair and generous in a new study.

A super high-speed global Internet devoted solely to science and education now includes half the countries of the world.

A review of existing research discerned no overall link. But some studies found a link.

James Dyson, the British inventor behind the vacuums, has invented a fan that has no blades.

Two studies announced today could make you downright giddy, but you'd be wise to take them with a grain of salt.

Scientists have found and manipulated body chemistry linked to the aging of human muscle.

It's no secret that high heels are bad for the feet. But a new study documents the risks.

A dead salmon has become a scientific celebrity after its brain supposedly lit up when shown pictures of humans during a brain scan.

A review team says they made the proposal because Armstrong was not a scientist.

Until Americans change lifestyle and diet, our "disease care" system will foot the bill of a sick population.

This year, fall starts Tuesday, because that is when the so-called autumnal equinox occurs (at 5:18 p.m. EDT).

Just 29 percent of U.S. adults think news organizations generally get the facts right.

The tip of the claw functioned as the puncturing and gripping element, study shows.

A new study of cockroaches and other creatures find the smell of death goes way back.