John Dickerson reports on new developments in the Hunter Biden case, what came from a congressional hearing on UFOs, and why scientists fear the planet is nearing several climate tipping points. Source

Along with her music, O’Connor was known for her outspoken stance on political and social issues, and was open about her struggles with mental health. Source

Is there life beyond our little blue planet? And how much does the government know about it? Those were the questions a House Oversight Subcommittee attempted to answer Wednesday as they heard testimony from a former Air Force intelligence officer and two Navy veterans. CBS News congressional correspondent Scott MacFarlane reported on what came from the hearing on Capitol Hill. Source

The waters off Florida’s southern tip were so hot Tuesday that you could mistake a dip in the Atlantic for a hot tub. All of these high temperatures — on the sea and on land — have concerned scientists about the future of the planet. Allegra Legrande, climate scientist at NASA’s Goddard Institute for Space Studies, joined CBS News to explain what’s happening to the Earth — and what needs to be done before it’s too late. Source

Homeland Security Secretary Alejandro Mayorkas testified before the House Judiciary Committee on Wednesday. The testimony came amid a legal battle over President Biden’s asylum plan and the Justice Department’s lawsuit against Texas for putting up floating barriers to stop migrants. CBS News immigration reporter Camilo Montoya-Galvez joined to unpack the legal challenges facing the Biden administration. Source

Senate Minority Leader Mitch McConnell appeared to freeze for several seconds during a news conference Wednesday before being escorted away from the podium. He later returned to answer questions. In March, McConnell suffered a concussion from a fall at a Washington, D.C., restaurant. Nikole Killion reports from Capitol Hill. Source

The federal judge overseeing the Hunter Biden case raised questions Wednesday about the terms of a plea agreement made in June between Biden’s lawyers and federal prosecutors. Without the judge’s stamp of approval on the deal, the president’s son pleaded not guilty to two misdemeanor tax charges. CBS News senior investigative correspondent Catherine Herridge joined with details from inside the Delaware courthouse. Source

In an attempted coup, disgruntled members of the elite Presidential Guard sealed off access to Nigerien President Mohamed Bazoum’s residence and offices in the capital Niamey after talks broke down. Source

From Montana to Texas, millions of Americans were still under heat advisories Wednesday as the heat dome stretched to cover more of the Midwest and Northeast. CBS Minnesota’s Susan-Elizabeth Littlefield joins “Prime Time” to report on how midwesterners fared in the heat. Source

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