TiK ToK
Ke$ha


(C) 2009 RCA Records Label.

Her Morning Elegance
Oren Lavie


(C) 2009 Adrenaline.

Bad Romance
Lady Gaga


(C) 2009 Streamline/Interscoope/KonLive/Cherrytree.

Give It Up To Me
Shakira


(C) 2009 Epic.

Fifteen
Taylor Swift


(C) 2009 Big Machine.

Sweet Dreams
Beyoncé


(C) 2009 Music World Music/Columbia.

Paparazzi
Lady Gaga


(C) 2009 Interscope Records.

Party In The U.S.A.
Miley Cyrus


(C) 2009 Hollywood Records.

Down
Jay Sean


(C) 2009 Cash Money.

Again
Flyleaf


(C) 2009 A&M / Octone Records.

Nearly nine years ago, something grounded the Concorde, the French plane that was the shining icon of the supersonic age. Ever since, there have been questions about what really happened in the last moments of that fatal flight. Dateline investigates.

She's been called irresponsible, selfish, and crazy. Now, Nadya Suleman, the single mother of newborn octuplets who already has six children at home, responds. Read the transcript of the exclusive NBC interview here.

A young woman leaves home, hoping for a bright future. She falls in love, has a baby, and begins life as a mother. But soon, her parents get a dreadful phone call: Sparkle Rai has been killed. Could her own husband or in-laws be involved? Read the transcript here.

When Patrick McDermott, the boyfriend of actress Olivia Newton-John, went missing after an overnight fishing expedition, suspicions were raised that he may have staged his own death. Did he fall off the boat, commit suicide, or run away? Read the transcript here.

Face to face with death, these people had just seconds to escape. Watch the videos here.

A young woman searches for answers in the death of her father, a Marine who survived two tours in Vietnam only to be killed shortly after returning home. But what she learns tears her family apart: and puts someone very close to her behind bars.

After a 23-year-old middle-class college grad, Rachel Hoffman, gets caught with marijuana a second time, she becomes a confidential informant for the Tallahassee, Fla. police.

As firefighters battled a three-alarm blaze in Gwinnett Wednesday morning, they also had a slipping hazard that interfered with their fire-fighting.

Armed forces personnel injured in Afghanistan and Iraq are to receive increased compensation payments, following a review.

Hundreds of Somali Islamist rebels pour into Mogadishu, witnesses say, preparing for likely clashes with government forces.