On Wednesday, we reported on the missing Canadian woman found dead in the rooftop of a water tank of the Cecil hotel in California.
CNN is now learning about the dark past of the hotel.
CNN's Kyung Lah has the story.
Physicist Michio Kaku says an asteroid powerful enough to destroy nations is on a collision course with earth.
A much smaller one exploded just above Russia last week - its power was equal to 20 Hiroshima bombs.
Kaku says the nation-busting asteroid headed our way won't arrive until 2036, but it could make a direct hit with 1000 times more power - that's 20,000 Hiroshima bombs.
OutFront tonight: Bill Nye "The Science Guy" and former astronaut Rusty Schweickart.
South Africa's Chief Magistrate granted the Olympic "Blade Runner" Oscar Pistorius bail - telling the courtroom that Pistorius, who is accused of murdering his girlfriend is not a flight risk and would not commit more violence if released from jail.
Pistorius met the requirements for bail which was set at about 112,000 U.S. dollars. Pistorius is now believed to be staying at his uncle's home.
Here's what he also had to do:
The Pistorius family members shook hands after the decision and proclaimed Oscar's innocence.
"We know Oscar's version of what happened we know that version is the truth and that will prevail," said Arnold Pistorius, uncle of Oscar Pistorius.
OutFront tonight: Former Prosecutor Wendy Murphy and Criminal Defense Attorney Anne Bremner.
The Justice Department announced Friday it's joining a lawsuit that accuses Lance Armstrong and former team managers of using taxpayer money to finance doping on the United States Postal Service cycling team.
The case was filed in 2010 by former teammate Floyd Landis, and claims the team violated the sponsorship agreement by "regularly employing banned substances and method to enhance their performance."
OutFront tonight: CNN legal contributor Paul Callan.
A newly discovered secret al-Qaeda handbook offers some duck and cover tips for terrorists looking to avoid drones.
CNN's Brian Todd has the story.