Discovery Communications, Inc. mourns the tragic and sudden loss of Steve Irwin, Animal Planet's Crocodile Hunter. Steve was beloved by millions of fans and animal lovers worldwide and was a true friend to all of us at Discovery. His family and friends are in our thoughts and prayers.

Tune in to The Crocodile Hunter all this week at 6 p.m. ET/PT. Check the schedule.

Photos: Steve Irwin's Memorial Service On Tuesday, Sept. 19, the world remembered Steve Irwin at a public memorial service at Australia Zoo in Beerwah, Australia. See photos from the event.

Forum: In Memoriam Share your thoughts and feelings on Steve, and post your condolences to the Irwin family.

The Steve Irwin Memorial Fund All donations and contributions in the memory of Steve Irwin should be made to the Wildlife Warriors Fund to easily and quickly benefit his dream and to keep his projects moving forward as he would have wanted.

Forum: Your Steve Irwin Photo Album Did you have the opportunity to meet Steve? Did your child pay tribute to his/her hero by dressing like Steve? Please share your personal photos.

Video: Steve Irwin Memorial Steve was beloved by millions of fans and animal lovers around the world and was one of our planet's most passionate conservationists.

Steve Irwin, in Your Words Your response to the In Memoriam Message Board is an amazing tribute to how much he will be missed. As thanks, we'd like to share with you a few of our favorite posts.

Photos: "We'll Miss You, Mate" Wallpaper A passionate conservationist, a wildlife warrior, a devoted father — but most of all, our friend. Keep Steve's memory alive with our exclusive memorial wallpaper.

Photos: Memorial Slideshow Steve Irwin was truly one of a kind. Remember the Crocodile Hunter in pictures. Start at the beginning, or jump to the latest photos.

Interactive: Explore a Stingray Steve gave his life trying to teach us about these amazing creatures. In his memory, we present an interactive tour of the stingray.

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