Anderson Cooper gets punk'd, Delta Airlines lost a dog & 10 more stories everyone's buzzing about

1. Anderson Cooper erupts into a fit of giggles when he gets punk'd on-air.

2. Delta Airlines reportedly lost someone's dog like checked baggage.

3. Khloe Kardashian gets slammed for referencing the KKK on Instagram.

4. Tosh.0's Daniel Tosh crushes ESPN for ripping off one of his segments.

5. A Maryland school district is removing all religious holidays from its calendar, including Christmas.

6. Pat Sajak was completely baffled by two wild 'Wheel of Fortune' answers.

7. Another giant leap for mankind ... We landed a spacecraft on a comet!

8. Size 10 model Myla Dalbesio lands a Calvin Klein campaign.

9. Two high school soccer teammates commit suicide within two days.

10. Christopher Waltz singing "Sesame Street" might just haunt you forever.

11. Marilyn Monroe's love letters to Joe DiMaggio will be auctioned.

12. And finally, in case you haven't heard -- Kim Kardashian mooned the entire Internet, and they're going crazy.