Chris Carter has accused Murray McCully of throwing a temper tantrum after a government briefing on whaling was cancelled because of Carter's blog.

It was a question many Herald readers wanted answered - what the heck is a pseudorca?

The moratorium on commercial whaling in the Southern Ocean looks likely to end next year.

Sir Geoffrey Palmer has drawn the ire of anti-whaling conservationists, saying some whales may need to be killed in order to save others.

Japanese lawyers are lined up to defend incarcerated anti-whaling protester Peter Bethune, but an environmental group still hopes Japanese authorities will send him home.

Researchers say a decline in Ross Sea orcas may be partly due to NZ's deep-sea fishing.

Japanese media have expressed frustration at a NZ activist's anti-whaling protests, with one top newspaper accusing him of terrorism.

John Key says the Govt can not intervene in Japan's legal processes to help anti-whaling campaigner Peter Bethune.

The leader of Australia's Green Party is backing a campaign to free anti-whaling protester Peter Bethune.

Murray McCully says NZ will consider joining any legal action to force Japan to stop whaling in the Southern Ocean if diplomatic channels fail.