June 5 (UPI) -- Heat-trapping carbon dioxide hit record levels in May, peaking at 424 parts per million and blowing past levels not seen in more than 4 million years, NOAA scientists announced Monday.

June 5 (UPI) -- House Republicans will hold a contempt of Congress hearing on Thursday over FBI Director Christopher Wray allegedly withholding records, House Oversight Committee Chair James Comer, R-Ky., said Monday.

June 5 (UPI) -- Robert Hanssen, a former FBI agent who sold U.S. secrets for $1.4 million to the Soviet Union and later Russia, was found dead Monday in his Colorado prison cell, according to the Federal Bureau of Prisons.

June 5 (UPI) -- Apple introduced its latest slate of state-of-the-art tech at its 2023 Worldwide Developers Conference in Cupertino, Calif., on Monday, headlined by the Vision Pro headset.

June 5 (UPI) -- The North Carolina Zoo announced the birth of triplet sand cat kittens to a first-time mother.

June 5 (UPI) -- Renowned activist Cornel West announced on Monday that he will run for president as a member of the People's Party.

June 5 (UPI) -- Lawyers for Donald Trump on Monday reportedly met with officials from the Justice Department to discuss the ongoing probe into classified documents that were discovered at the former president's Florida home.

June 5 (UPI) -- The bodies of three residents who lived in the apartment building that collapsed in Davenport, Iowa, were found over the weekend.

June 5 (UPI) -- Microsoft experienced a major outage Monday morning, with thousands of users getting error messages and unable to access its Microsoft 365 software suite.

June 5 (UPI) -- President Joe Biden and Denmark's Prime Minister Mette Frederiksen discussed support for Ukraine their shared values in a meeting at the White House on Monday afternoon.