Emily Sohn

Despite tales of overcrowding, fighting and tragedy, hundreds of people continue to try to summit Everest every year. What's the appeal?

Hundreds of climbers form lines to attempt to push for the summit and this past weekend the results were deadly.

Early-life isolation -- a common practice on dairy farms -- may be depriving baby cows of the opportunity to reach their full potential.

It wasn't always a given that we'd have a single executive who has the power to make final decisions.

Criticisms trump the results of an alarming new study, which used questionable methods.

Scientists predict an increase in strong hurricanes with global warming. Will we have to revise the rating scale?

Miley Cyrus' new 'do harkens back to a time when light hues first appeared on women's manes, allowing them to turn the heads of potential mates.

The heat waves and droughts of recent years would likely not have occurred without man-made climate change.

The long-awaited sequencing of the banana genome might help save the yellow fruit from imminent collapse.

The answer could point to big problems looming in Earth's waters.

Corals may be more resilient than we thought, suggests evidence that reefs once recovered after a 2,500-year collapse.

A combination of hot temperatures, high humidity and preexisting health conditions can make heat dangerous.

Helmets and other protective gear can only do so much to prevent serious injuries and deaths for high-flying skiers and snowboarders.

The pigs only took the drugs for 2 weeks.