Toronto gets its own 'Moo Deng'; pygmy hippo calf born to 20-year-old mother, took first steps within minutes of birth

One man began clearing dumped trash alone; his daily cleanups grew into a 100-volunteer movement

A Houston resident's initiative to clean up neglected areas has blossomed into a vibrant volunteer movement. With one hu…

Video: 2 injured after gunman opens fire near New York subway station

Scientists watched a 1km-wide, 100m-thick section of Greenland’s Sorgenfri glacier break away

In a striking display of nature, a massive section of a Greenland glacier detached and collapsed into the sea, captured …