According to a new research by internet giant Yahoo, the September 11 terrorist attacks on New York's World Trade Center topped the list of online news searches during the last 15 years.

Cloning and the Iraq battle accompanied the attack at twin towers, in the maximum search file.

The survey also discovered that the overall number of internet sites have reached around 200 million from just 18,000 in the year 1995.

Yahoo! co-founders Jerry Yang and David Filo, said, "These numbers are astonishing, but even more important and more exciting is the impact that the internet is having on so many people around the world."

"From socio-economic opportunities to more accessible healthcare to educating the next generation and beyond, the internet has changed the way we live, work and learn," they added.

According to Yahoo report, tThe top 10 news searches since 1995 include:

1. September 11
2. Cloning
3. Iraq war
4. Saddam Hussein
5. Harry Potter book releases
6. Michael Jackson death
7. Steve Irwin death
8. Tsunami
9. Enron scandal
10. The Millennium (With Input from Agencies)