A 30-year -ld video tape has sparked a heated debate over what is pictured jumping out of the water. Watch the clip.
Authorities have confirmed that almost 200 of the 230 pilot whales stranded off Tasmania's west coast have died. Find out more.
With shipping traffic expected to grow by 1200 per cent over the next 30 years, the move could be a lifeline for the whales.
It's the 10th whale to be caught this migration season and a leading environmentalist has labelled the shark net program 'a dangerous lie'.
A distressing video filmed off the coast of Western Australia has sparked a desperate plea from marine experts. Watch the video.
There are growing calls for the Queensland government to remove its shark nets after a third whale became trapped off the Gold Coast this week.
Critics of Queensland's shark control program are calling for the nets to be urgently removed as rescuers try to free the entangled whales.
Conservationists are urging the Queensland government to drop the controversial shark net program after another whale became tangled.
While plastic regularly kills whales in the Phillipines, this 70-year-old male died of something less common. See out what investigators found.
Ocean swimmers at Bondi had a Monday morning they will never forget when they swam eye to eye with a pair of humpback whales. See the incredible pictures.
Albino kangaroos are often targeted by commercial shooters due to their rare colouring, and receive no special government protection. Find out more.
Australia's best beach has been revealed, but it wasn't always known for its pristine waters. Find out why it has topped this year's list.
Conservationists warn that Shell's seismic testing could devastate marine life off South Africa's coast. Find out why.
Conservationists were angered after a young humpback whale was entangled by Queensland's controversial shark nets. Find out what happened next.
Exclusive: Captain Paul Watson is concerned that if authorities do not clamp down on the Faroe Islands dolphin hunters, they will become more violent. Read more.
Video has emerged from the Faroe Islands showing the slaughter of close to 1500 dolphins, leading to a global outcry for the annual event to stop. Read more.
The whale became entangled off the coast of Coolangatta. Crews are at the scene working to free the large mammal. Find out more.
As the search continues along the New Zealand coast for a baby orca's family, his teenage rescuer Ben Norris is helping keep him calm. Read about their incredible story.
An orca has become separated from its family off the New Zealand coast. Social media users can help rescuers reunite the calf with its family. Here's how to get involved.
Insane footage shows sea lions trying to evade the orcas. The veteran fisherman who took the footage says he's never seen anything like it. Watch it here.