When police stormed a cafe where hostages were being held by lone gunman Man Haron Monis in Sydney, Australia, the Iranian Muslim cleric shot two of the hostages and wounded three others before turning the gun on himself.

Bill Nye walks viewers through the basics of evolution, including a theory of abiogenesis, using Emoji symbols as a teaching aid.

This memorable comic relief from the 1993 sci-fi blockbuster Jurassic Park has been repurposed into an equally funny reminder that nobody ever cares if you actually try to do something on the Internet.

NASA interns at the Johnson Space Center created this space-themed parody of Meghan Trainor's "All About That Bass" to raise interest for spacecraft Orion's first flight.