Video: New 3D look at brain circuitry

New imaging technology provides unprecedented 3-D views of an intact brain's neural structure and its vast internal connections.

World population unlikely to stabilize in this century

Experts used “scenarios” to suggest global human population will stabilize around 9 billion by about 2050. A new statistical analysis tells a different story.

Why is Antarctic sea ice increasing as Arctic sea ice declines?

Arctic sea ice continued its long-term decline in 2014. Meanwhile, sea ice on the other side of the planet was headed in the opposite direction. Why?

History of storm surge in Florida strongly underestimated

Northwestern Florida was thought to get hit by a hurricane with a five-meter (16-foot) storm surge every 400 years. In fact, the frequency may be every 40 years.

June through August 2014 hottest ever recorded globally

June through August 2014 is the warmest period recorded since record keeping began in 1880, NOAA says. Also, the warmest August since 1880.

Chimpanzee wars not due to human influence, says study

Lethal aggression is something that chimpanzees naturally do, the study says, regardless of whether human impacts are high or low

Tornado Alley storm season starting and ending earlier

Peak tornado activity typically occurs in the region from early May to early July. It has moved an average of seven days earlier over the past six decades.

A push for climbing reform after Sherpa deaths on Everest

In the wake of the deaths of 16 Nepalese guides on Mount Everest in April 2014, many groups push for reform of climbing expedition practices.

Major Hurricane Odile slams Baja Peninsula in Mexico

Major Hurricane Odile struck the Baja Peninsula and left extensive damage and flooding across the area. Photos of the damage and firsthand reports, here.

New scans reveal hidden monuments of Stonehenge

The startling results of a new survey include 17 previously unknown monuments and dozens of burial mounds surrounding Stonehenge.