Thousands of South Australian teachers will walk off the job on Thursday, forcing hundreds of the state's schools and pre-schools to close.

Teachers are angry that talks with the State Government over a new pay and conditions deal have stalled, and They are demanding smaller class sizes, more resources and improved job security.

NASA’s InSight rover makes touchdown on the surface of Mars just after 6am this morning.

It’s mission is to study Marsquakes and to probe under the surface of the planet, in search of water.

The InSight lander - short for Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport - is very different to Mars rovers. The mission’s deputy lead, Sue Smrekar says the lander doesn’t have wheels and needs to stay in one place and be as quiet as possible.

Chinese scientists have revealed plans to use satellites and rockets as part of an effort to artificially produce rainfall.

The Tianhe Project, estimated to cost $19 million, is the world's largest artificial rain experiment, which aims to divert excess water from the Yangtze river basin towards drier parts of the country.

Six satellites developed by the Shanghai Academy of Spaceflight Technology are planned to be in orbit by 2022.

Animal rights activists in South Korea celebrate today as the country’s largest canine slaughterhouse closes amid rising international pressure.

Campaigners from Humane Society International describe conditions inside as horrifying, telling reporters they found electrocution equipment, knives, a de-hairing machine and piles of abandoned dog carcasses.

The close reflects a change in attitude towards eating dog meat in South Korea, with the practise now considered taboo by the younger generation who prefer dogs as pets.

The North and South islands of New Zealand are moving closer together after a magnitude 7.8 earthquake struck the country in 2016, a new study by GNS science reveals.

Unsettled fault lines continue to shift the two land masses, with over 6 meters in distance and 8 meters in height now recorded.

The earthquake has been a game changer for the scientific community, being the first recorded to open 25 faultlines, and the effects are expected to continue for many years to come.

A new report by the Australian Food and Grocery Council has found a Australia's food and grocery manufacturing sector shed over 4,500 jobs in the 2016-17 financial year.

AFGC says the cost of energy, transport, labour and drought are putting pressure on food manufacturers in the domestic market.

AFGC chief executive officer Tanya Barden says there is a 10% reduction in capital investment, a sign the industry could face an even tougher result this year.

An Aboriginal-owned oyster farm business in the Goulburn Islands is growing 90,000 black lip oysters as well as jobs and a future for local youths.

The farm was developed by Warruwi elders nearly a decade ago who wanted to provide jobs and, in turn, make sure their young people had work on the island.

The Northern Territory government has assisted the farm by providing baby oyster spats. In addition, staff from Primary Industry and Resources are helping set up the farm.

Queensland’s Remote Kindergarten Program will be expanded among Queensland state schools over the next two years, as Education Minister Grace Grace announced today.

This year, a number of remote schools are prescribed to deliver a Remote Kindergarten Program, with 109 children currently participating across 30 schools.