An accidental spill of extra-heavy crude oil points to some unusual challenges in safely getting this petroleum to market

With some practice, people over 60 bested untrained 20-year-olds

Scientists made a hamburger without harming animals; but it cost as much as a house

New lightweight, x-shaped blocks could be used to make cars, planes, buildings – and even spacecraft

Restoring a chemical in the gut sends a message to mouse brains to stop overating

Trio of chemicals keeps some frogs from freezing to death

Young star rockets out matter that glows

This ancient muck from far below Antarctica's ice promises to tell a riveting tale about Earth's ancient climate

The spice makes lips tingle at 50 beats per second

Plant's curly, humidity-controlled ribbons propel epic leaps

Brain changes and memory problems plagued mouse pups whose moms had consumed caffeine during pregnancy

In the woods, finding food may trump a poopy location

Mice that could not make or metabolize the sugar gained less than normal mice

Compounds in space rocks like the one that broke up over California may have helped seed life on Earth

New timeline of ancient civilization's earliest days finds little time between earliest villages and dominant centralized state

A snake's hiss and angry voices quickly capture infants' attention

The dormant behemoth may rival ones on Mars

Widespread changes scattered across the genomes of distantly related species crafted the trait

New technique might allow surgeons to identify edges of cancers

Bacteria can invade one rodent from another, preventing both from getting fat