An explainer on how the potentially deadly nerve agent works.

His story was more than just science — there was also love, anger and betrayal.

When theoretic physics applies to life, dark holes aren't impossible to get out of.

The Independent Police Conduct Authority has found that a police checkpoint targeting pro-Euthanasia supporters in Lower Hutt in 2016 was unlawful.

Anthony McCarten, who wrote The Theory of Everything recalls his lasting image of Hawking.

Kiwi screenwriter Anthony McCarten's lasting image of Hawking is his "big rockstar smile".

Russia's ambassador to NZ says Russia "has nothing to do" nerve-agent attack on ex-spy.

British PM Theresa May announces measures against Russia, who continue to deny involvement with the poisoning of a former double agent and his daughter.

COMMENT: Stop pushing us to ride bikes and use public transport - driving suits us.

Stephen Hawking’s family say the great scientist and extraordinary man’s work and legacy will live on.

He overcame a devastating neurological disease to probe greatest mysteries of the cosmos.

COMMENT: To see the consequences changes your mind on police pursuits.

The world's great scientist since Einstein, Professor Stephen Hawking, has died, aged 76.

Prime Minister and Labour Party president want to ensure future events are safe.

UK Prime Minister Theresa May under pressure to hit Russia with sanctions, expel diplomats and other measures in response to attack.

Fierce debate after footage captures woman blocking park to "save" a spot for her family.

Musk has a chilling prediction about the future of humanity and there's only one solution.

Facebook down for users

Russia refused to meet deadline for explaining a nerve agent attack on a double agent.

COMMENT: Too many chases of minor traffic offences end in death, says Brian Rudman.

Concern from Waikato recovery service that P is too available and heroin use also on the rise.

Hamilton Mayor Andrew King is proposing a name change for the city council to Kirikiriroa City Council.

Mayor wants to change city council back to its Maori name - where did Hamilton come from?

33 units but no private spaces for residents' cars in radical block.

Methamphetamine is far more accessible than marijuana in every region in New Zealand.

COMMENT: Sky TV must first address the issue of customer churn.

High gusts have been recorded in the Far North and flights have been cancelled as the effects of ex-cyclone Hola start to be felt in New Zealand.

Policy and Police College driver training part of major review to be released in late 2018.

The children of the woman killed by a car fleeing police say it's a "senseless tragedy".

Almost 30mm of rain has hammered the Bay of Plenty but it's not stopping surfers.