A study by University of Miami researchers is seeking to understand more about how sharks interact with their ever-changing ocean home, and how pollution and warming waters are altering where sharks migrate, feed and give birth. Elaine Quijano explains. Source

The Justice Department on Friday filed a federal lawsuit against TikTok and its parent company ByteDance, saying that the social media giant collected data on users under the age of 13 without getting the permission of their parents. Scott MacFarlane has details. Source

The U.S. added just 114,000 jobs in July, below expectations, the Labor Department reported Friday, while the unemployment rate rose to 4.3%. Jo Ling Kent examines what is behind the slowdown. Source

Vice President Kamala Harris has been cemented as the Democratic presidential nominee after a majority of delegates selected her in a virtual roll call vote, the party announced Friday. In the coming weeks, Harris will look to build on a strong July in which her campaign raised $310 million. Robert Costa has the latest. Source

The stock market plunged Friday after a weaker-than-expected July jobs report raised fears of a slowing economy. But should Americans actually be worried about the sell-off? CBS News contributor JD Durkin joins to discuss. Source

The Permanent Mission of the Islamic Republic of Iran to the United Nations has warned that Hezbollah may choose to attack much “broader and deeper targets” inside Israel. Source

Here’s a look at the top stories making headlines on the “CBS Evening News with Norah O’Donnell.” Source

Wildfire activity in California is up nearly 3,000% this year, Cal Fire said, with the state battling more than a dozen active blazes, including the Park Fire, now the fourth-largest in state history. Source

The former Speaker of the House writes about the demands and responsibilities of the office, which she calls “the most challenging position in government.” Source

Massachusetts-based rock band Aerosmith has announced that they’re retiring from touring and cancelling their farewell tour due to lead singer Steven Tyler’s vocal injury. Source