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.

What’s the source of a mysterious ozone-depleting chemical?

The Montreal Protocol put the brakes on ozone-depleting chemicals 30 years ago. But one compound is still abundant in Earth’s atmosphere. Where's it coming from?

Today is the first-ever World Shorebirds Day

Saturday, September 6, 2014, is the first World Shorebird Day. How to participate, here.

New astronomy stamps from the Isle of Man

Heads up, stamp collectors and astronomy enthusiasts! A collection of new stamps from the Isle of Man, which has 26 Dark Sky sites.

Video: Your brain on coffee

We love coffee! Coffee is the second most-traded commodity on Earth, after oil. How does the world's favorite drug actually work?

The first known example of Neanderthal rock art

Tool marks within the engraving suggest that it was likely created by someone who intentionally passed a sharp object again and again over the cave wall.