According to the search results, National Geographic has undergone significant changes in recent years. Here are the key points:

• National Geographic magazine will no longer be sold at newsstands starting next year.
• National Geographic laid off all staff writers in June 2023. The organization’s future editorial work will instead be done by freelance writers and the few editors remaining on staff.
• The decline in readership of print media outlets, including magazines, may have contributed to the decision to halt production in the US for National Geographic.
• National Geographic will continue to publish a monthly magazine that is dedicated to exceptional multi-platform storytelling with cultural impact.
• National Geographic Partners, a joint venture between the National Geographic Society and 21st Century Fox, owns the magazine.
• National Geographic has been hit by a series of layoffs, but the company has not disclosed how many people lost their jobs.
• National Geographic was acquired by the Walt Disney Corp. in 2019.

In summary, National Geographic has shifted its focus to digital publication and multi-platform storytelling, and has undergone significant staffing changes in recent years.