A sudden cascade of events is challenging President Donald Trump's boasts of an unprecedented American winning streak that is a critical component of his reelection salesmanship.

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Although Mars seems cold and inhospitable today, it was a different story 3 billion to 4 billion years ago. A new study suggests that the Red Planet was once warm enough to host pouring rainstorms and flowing water, which would have created an environment that could support simple life.

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An American tourist accused of killing a resort worker on the Caribbean island of Anguilla said he and his family have been "living a nightmare" for the past few months.

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Chris Cuomo and Don Lemon discuss President Trump's habit of picking fights instead of caring about the issues that matter.

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A feisty, fruit-loving kinkajou fought its way into a Florida home, leaving scores of leg bites in its wake.

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There have been two confirmed cases of neurological damage in a panther and bobcat in Florida as of this month, according to the Florida Fish and Wildlife Conservation Commission (FWC).

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A federal program recommends people keep their homes between 78 and 85 degrees, and the internet is freaking out.

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Democratic Presidential candidate Elizabeth Warren found herself taking selfies with her doppelganger during a rally in Minnesota. CNN's Jeanne Moos reports.

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President Trump has cooled on new legislation for stricter firearm background checks, sources tell CNN. Anderson Cooper reacts to Trump's dramatic flip.

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CNN's Kate Bolduan gets into a heated exchange with political commentator Robert Astorino over a report that states President Donald Trump told the NRA that 'background checks are off' after publicly supporting the idea in the aftermath of several shootings.

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A 9-year-old girl was mauled to death by dogs on Monday while playing in a Detroit neighborhood, police said.

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The US Department of Agriculture is shrinking payments offered to employees who applied for buyouts rather than relocate to the greater Kansas City area, according to a document obtained by CNN.

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As two teens watched TV at home late one night, little did they know that the person in the other room opening the refrigerator for a midnight snack wasn't a person at all.

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The CMA awards are switching things up this year, replacing host Brad Paisley with Dolly Parton and Reba McEntire.

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At least 22 cities and local governments in Texas are working to recover from a seemingly coordinated ransomware attack on their computer networks.

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