Nearly 1 million fewer people live in Manhattan now than a century ago. One reason: It got richer

New studies have evaluated the effects of exercise intervention on the quality of life in breast cancer survivors

Membership has reached its lowest level since 1916, but density in itself doesn’t always translate into power

Why attack arguments like "higher testosterone levels" and "greater bone density" are simply wrong

A new study suggests that women with dense breast tissue are at significantly elevated risk for breast cancer.

If true, it is possible that the universe will end with a Big Crunch in which it contracts to a single point

Is solar weather correlated with earthquakes on Earth? A seismic brawl is brewing over a peer-reviewed paper

New research is making it seem increasingly likely — to a point

The gentle background noise is what the universe sounds like beyond the pull of the sun's solar wind

Moody's predicts that the superstorm may have led to 86,000 fewer jobs in November

The UN climate report pinpoints the biggest culprit behind overheated cities

Hit the gym and find the sunshine vitamin

How one city avoided the worst of suburbanization and revealed the path toward sustainable urban development

Plume could affect UK travel as early as tonight; a similar cloud closed European airspace for five days last year

There's conflicting information about mammography for the 30something set. Here's how it affects you