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A wildfire has wiped out much of Greenville, CA, sweeping through at alarming speed and endangering people who did not heed evacuation orders.

Jean-Marc Nasr, Head of Space Systems at Airbus, discusses challenges for satellites in space, the Mars rover mission, and shares his thoughts on space privatization.

The World Health Organization (WHO) is calling on high-income countries to halt the use of booster shots before the end of September in order to allow at least 10 percent of the population of every country to be vaccinated against COVID-19.

Comedy stars explain why sitcoms are notoriously difficult to bring to a close. Watch CNN Original Series "History of the Sitcom" on Sundays at 9 p.m. ET/PT and on demand via CNNgo.

Off the coast of Dubai, megaresort Heart of Europe is planning to create up to 500,000 square meters of coral reef. Influencer and diver Mouna Ghoneim shows how pieces of corals are being regenerated.

The ONE Campaign's Executive Director for Policy says the IMF's approval of the $650 billion SDR is a major step in the right direction and reaffirms that multilateralism can move at the speed and scale when the political will is there.

Nigeria has appointed 8 Transaction Advisers for the Eurobond issuance in the International Capital Market as part of ways to finance the 2021 Appropriation Act.

Two upcoming reality television shows plan to offer a once-in-a-lifetime grand prize: A trip to space. Mike Massimino, a former astronaut, talks to CNN Business about the feasibility of these shows taking off.

Almost all industries have had to change and adapt to the so called new normal brought by Covid-19.

Simone Biles has publicly thanked the gym an hour outside of Tokyo where she was able to step away from the public eye and train privately to get ready for competing in the Olympics beam event. CNN's Will Ripley gets an exclusive tour inside the facility which helped her to overcome the "twisties" condition which forced her to pull out of the other gymnastic events.

Stuart Bates and Charlotte Nichols are competing in the "Spennylympics," a challenge they have set for themselves to raise money for the Motor Neurone Disease Association, in memory of Bates' brother, Spencer, who they lost to ALS in 2011.

In a video call with her friend, actor Melissa McCarthy, the Duchess of Sussex shared details about the new initiative, aimed at helping women re-enter the workforce after the pandemic.