About 80% of New Orleans was under water after Hurricane Katrina struck. Tens of thousands of people were stranded, more than a thousand died and relief was slow to reach desperate survivors.
The world's first cloned dog, Snuppy posed for photos with his dad (left) and his surrogate mum. He was created using cells from a dog's ear!
Seven members of a Russian submarine crew - which was trapped on the sea bed - were rescued by a British robot craft.
The Discovery space shuttle touched down safely back on Earth after a 12-day mission to take supplies to the International Space Station.
Schools were shut and a state of emergency declared when a haze of polluted air descended on Malaysia.
One of the UK's most popular politicians in recent times, Mo Mowlam, died, aged 55. She had been an MP for 14 years and had previously suffered from a brain tumour.
Football star Michael Owen returned to the Premiership to play for Newcastle Utd from Real Madrid - with a transfer fee thought to have been about £17m. No wonder he's smiling!
Protests took place in Israel as Jews were forced to leave a place called Gaza, in a controversial plan to stop the level of violence there.