4 hurt in Los Angeles-area roller coaster accident

A roller coaster derailed at the Six Flags Magic Mountain amusement park, slightly injuring four people and leaving about two dozen stranded about 20 feet (six meters) in the air, authorities said.

Passengers rescued from Florida theme park roller coaster

District Chief Jeff Jay of the Orlando Fire Department said the dozen passengers were stranded for more than two hour aboard the Hollywood Rip Ride Rockit, which is billed as Orlando`s tallest roller coaster.

Hilary Duff calls motherhood `hormonal roller coaster`

Hilary Duff has admitted that there have been some uncomfortable moments along her way of motherhood and called it a hormonal roller coaster.

World’s smoothest roller coaster ride designed on paper

Swedish mathematicians have published new designs for what can easily be called the World’s smoothest roller coaster ride.