The two parties have settled a long-running legal battle which involves a financial settlement in exchange for assistance in an extradition case.
Australia's legal bid to stop Japan's so-called scientific whaling in Antarctica will go before the International Court of Justice in June.
Sea Shepherd Australia says the Japanese fleet only managed to catch 103 whales in 2012-13, less than 10 percent of their quota.
A United States Appeals Court judge has called Sea Shepherd anti-whaling activists "pirates".
The whaling war in the Southern Ocean is heating up and so is the propaganda war.
Anti-whaling group Sea Shepherd and Japanese whalers are again colliding in the Southern Ocean south of Australia.
Anti-whaling activists say they've successfully disrupted Japan's hunting expedition.
Anti-whaling group Sea Shepherd says it has successfully put a stop to Japanese whaling operations in the Southern Ocean.
The Australian government must send the navy to Antarctic waters, says former Australian Greens leader Bob Brown.
Captain Paul Watson has told 3 News that two of Sea Shepherd's ships, the Steve Irwin and the Bob Barker, have been rammed by Japanese whalers.
New footage of anti-whaling activists at war with a Japanese harpooning vessel has been released.
Reports that Japanese whalers harpooned a large whale in Australian waters, leading to a confrontation with Sea Shepherd.
The US Supreme Court has upheld an injunction ordering anti-whaling group Sea Shepherd to keep away from Japanese whaling ships.
Paul Watson has dismissed Ady Gil's legal action, saying it is a "frivolous lawsuit" that he will seek to have dismissed.
Three Sea Shepherd ships have left New Zealand for the Southern Ocean Whale Sanctuary ready to do battle.
Paul Watson, the founder of controversial anti-whaling outfit Sea Shepherd, is stepping down.
An anti-whaling activist is "shocked" the New Zealand Government appears to be siding with Japan.
The Australian government has vowed to continue its fight against all forms of whaling as Japan's whaling fleet leaves for its annual hunt.
New Zealand has issued a warning to Sea Shepherd and Japanese whalers to behave in the Southern Ocean this whaling season.
Sea Shepherd will have to stay at least 500m away from Japanese whaling ships, following a ruling in a US court.
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