Dentist who killed lion defends himself despite backlash
Although he's been targeted by protesters and critics, the Minnesota man responsible for killing Cecil says he is going back to work
After attacks, Tanzanian children with albinism receive prosthetics
In several African countries, albinism -- having little or no pigment in skin, eyes and hair -- has made kids targets of brutal violence
How realistic is Hollywood's "The Martian"?
A NASA scientist tells CBS News what the upcoming Matt Damon movie gets right about life on the Red Planet
The real-world impact of the ice bucket challenge
"As simple as a silly bucket of ice water, what it did was change the world," co-founder Pat Quinn says after campaign raises $115 million
Netflix raises the bar on paid leave for new parents
By offering a year of paid leave to new parents, Netflix may prompt other companies to offer longer maternity and paternity leave
Lawsuit could transform birthday celebrations
The song "Happy Birthday" may soon slip away from the hands of a music publisher and into the public domain
Experts make dire prediction about sea levels
New journal article warns the world's sea levels are rising at faster rates than previously predicted, spelling trouble for coastal communities
"Finding Nemo" aims to help Navajo language stay afloat
Special edition of Disney Pixar favorite is latest effort to keep Navajo language alive, especially with tribe's youngest members
After Chattanooga attack, security at military recruiting centers scrutinized
Shootings in Tennessee point to particular challenge for military recruiting facilities - balancing accessibility with security
Will NASCAR change the way it protects fans at races?
Spectacular crash at Daytona International Speedway renews discussion over fan safety at races
Charleston massacre returns nation's focus to race relations
The U.S. has grown pessimistic on the topic of race, and the number of underreported hate crimes underscores the divide
Historic Martha's Vineyard lighthouse has new home
How do you move a 160-year-old, 400-ton national treasure? To save the Gay Head Lighthouse, experts had to find the answer
Inside the mind of Colorado theater shooter James Holmes
At his murder trial, jurors see the notebook James Holmes kept before the July 2012 attack that killed 12 people and injured 70
Airborne cars add anxiety, mystery to Indianapolis 500
Run-up to "The Greatest Spectacle in Racing" has seen a string of spectacular wrecks that have raised serious concerns
Indy 500: What's with all the airborne crashes?
During practice runs ahead of Sunday's race, three cars have flipped into the air