CaptureWorld

NASA’s Perseverance Mars rover is filling sample tubes with rocky material on the Red Planet as the agency works on the next steps to get them safely back to Earth. The Mars Sample Return campaign would bring samples collected by the Perseverance rover to Earth for detailed study. The campaign involves an international interplanetary relay team, including the European Space Agency (ESA). These samples could answer a key question: did life ever exist on Mars? Aaron Yazzie, who works on the Mars Sample Return campaign, explains the work being done at NASA’s Jet Propulsion Laboratory to ensure the safe return of the sample tubes.

Our Webb Space Telescope captures a cosmic ring, the team behind our upcoming Psyche mission, and the unique thing about a star that was ripped apart by a black hole … a few of the stories to tell you about – This Week at NASA!

Thanks to a global effort to regulate ozone-depleting substances, the ozone hole is showing signs of recovery and is projected to return to a healthy level by mid-century.

The moment has finally arrived, it's time for Felix Baumgartner to perform the space dive. Taken from Red Bull Space Dive.

In tonight's top story: The Northwest Territories has declared a state of emergency as hundreds of wildfires have now decimated more 2.1 million hectares of land so far. Heather Yourex-West looks at the devastation and the fire fight in some of Canada's most remote communities. Meanwhile, Yellowknife is on high alert over fears a nearby wildfire could creep closer to the city. Jayme Doll reports from the scene and speaks with anxious people about the looming threat. In other wildfire headlines, the road to Lahaina, Hawaii has reopened. Neetu Garcha gets a first-hand look at the destruction and explains why the public still isn't allowed in some areas. Furthermore, while Hawaiian authorities are beginning to investigate the exact cause of the fire that destroyed the tourist town of Lahaina, there's video evidence suggesting windy weather knocked down power lines, contributing to the disaster. Mike Drolet looks at what's known about the timeline of the catastrophe and the tough questions directed at Hawaiian Electric, the utility company. Back in Canada, housing starts fell by 10 per cent in July, according to the Canada Mortgage and Housing Corporation (CMHC). Mackenzie Gray explains what's behind the troubling trend during the housing crisis, what cities have been hardest hit and how this could affect real estate prices. Plus, researchers in Singapore are investigating whether artificial intelligence can scan a person's brain to figure out what they're looking at. Redmond Shannon explains how it works, the ethical considerations and how it could one day be used to help non-verbal people communicate.

A rapidly rising Omicron subvariant called EG.5 has been circulating in Canada and other countries, raising concerns of a new wave of COVID-19 infections. Experts say EG.5 presents similarities to other COVID-19 variants and sub-variants and is able to sneak past immune defences. Symptoms include fever, cough, fatigue, muscle aches and headaches. The latest advice from public health officials remains to get vaccinated, and take other precautions such as masking, regular hand washing etc.

With over 400 active fires burning across the country, officials are warning the situation could get far worse. The federal government said it's forecasting higher-than-normal fire activity across most of Canada through to August.