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Here is something you may not know about the moon: Earth's clingy best friend is also the site of one of the largest-known impact craters in our entire solar system. Essentially, something caused a giant hole on the moon billions of years ago, and astronomers have just discovered that there's something big -- really big -- buried underneath the surface. 367

Former South Carolina Gov. Mark Sanford will launch a longshot primary challenge for the 2020 Republican nomination, he announced Sunday, giving President Donald Trump another Republican challenger as he runs for reelection."I had planned to announce that back home this week. We had a hurricane come visit us on the coast of South Carolina so that sort of disrupted plans on that front," Sanford said in an interview on "Fox News Sunday." "But I am here to tell you now, that I am going to get in."When asked why he was running, he said because "I think we need to have a conversation on what it means to be a Republican," adding that he thinks the Republican Party has lost its way on "a couple different fronts."He becomes the third Republican to mount a primary challenge against the President. In April, former Massachusetts Gov. Bill Weld officially entered the race, and last month, former Illinois Rep. Joe Walsh announced his candidacy. Trump's campaign had a one-word response to Sanford's announcement: "irrelevant," campaign spokesman Tim Murtaugh said.Sanford, discussing what was then a potential candidacy, told CNN's Brianna Keilar in July there has been "no discussion of debt, deficit and government spending in Washington these days," and that those issues would be a focal point of his campaign were he to run. However, although Sanford has been a frequent critic of Trump, he has said he would back the President instead of a Democrat.Faces long oddsSanford, who has been privately considering whether to run since leaving office in January, faces long odds in his bid against Trump, whose approval rating among Republicans has consistently been around 90%. His decision to challenge Trump comes after losing his primary race last year for South Carolina's 1st Congressional District where he failed to find support in the state's Republican Party as a vocal critic of the President. 1916

Hours before dying in Fiji, Michelle Paul texted her parents saying she had been vomiting for hours during her vacation."We are both going to the doctor now. We have been throwing up for 8 hours. Dave has diarrhea. My hands are numb. We will text when we can," she told her father, Marc Calanog, on a WhatsApp message.Paul and her husband, David, became ill while vacationing in Fiji late last month and died within days of each other. The deaths of the Texas couple are being investigated by health officials on the South Pacific Island, with help from the US Centers for Disease Control and Prevention."We just got back from the clinic. They gave us fluids and an anti-nausea drip," Calanog said his daughter said on another message. "They gave us electrolyte packets and anti-nausea pills. We still don't feel 100%. Going to rest in our room."But their illnesses quickly worsened.After his daughter died, Calanog said he urged his son-in-law to focus on taking care of himself because Michelle was already in a better place. He died two days later.Calanog said they are still unsure what happened to his daughter and son-in-law and that he and his family are concentrating on taking care of his 2-year-old grandson.Fiji's Ministry of Health said investigations into the cause of death are ongoing. It said influenza has been ruled out. Tissue samples are en route to the CDC's Atlanta headquarters for testing."And at this stage we do not believe there is any risk to the public. It would be premature to speculate further on the cause of death until the investigation is complete," the ministry said.,The deaths were confirmed by a US State Department official, who said in a statement that American authorities were "closely monitoring" the investigation.The Fijian ministry said it is also working with the country's police forensics department and the World Health Organization to determine the cause of death.The couple died over Memorial Day weekend, the Fort Worth Star-Telegram reported. Their families are currently working with US officials to repatriate their remains. 2094

House Judiciary Chairman Jerry Nadler said Sunday the committee will call Attorney General William Barr to testify "in the near future.""In light of the very concerning discrepancies and final decision making at the Justice Department following the Special Counsel report, where Mueller did not exonerate the President, we will be calling Attorney General Barr in to testify before @HouseJudiciary in the near future," the New York Democrat tweeted.Barr submitted to Congress on Sunday his summary of the main conclusions from special counsel Robert Mueller's investigation into Russian interference in the 2016 election.In the letter, Barr said Mueller did not find President Donald Trump's campaign or associates conspired with Russia. Barr wrote Mueller did not have sufficient evidence to prosecute obstruction of justice, but he 846

Former president Jimmy Carter is looking to help those during the COVID-19 pandemic.On Tuesday, the Carter Center posted a 135