7 asteroid impacts on Earth
November 25, 2012, 12:07 p.m. by Katherine Butler
Life on Earth has been heavily shaped by impact events. Not only have they shaped evolution, they have created important ore deposits and land disturbances. Here are seven images of known asteroid impact craters on our planet.
'Howard's Gift' is inspired advice for a fulfilling career
October 11, 2012, 10:05 a.m. by Katherine Butler
We talk to author Eric Sinoway about 'Howard’s Gift: Uncommon Wisdom to Inspire Your Life’s Work,' his new book about achieving personal fulfillment in your life's work.
These birds prove you don't need a big brain for a complex social life
Monarch butterflies make a pit stop in Colorado
Przewalski's horses: 10 things you didn't know about the last 'wild' horses on Earth
Why do birds migrate at night?
Traditional soup broths found with healing powers that can fight off malaria
Dogs really are 'the best people,' and we have the photos to prove it