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hour gets underway on this monday night. good evening, once again, i'm stephanie ruhle, live as msnbc headquarters right here in new york city. it is exactly one week until the caucuses. the first major nominating contest of the 2024 campaign. it will be a critical test for the twice impeached, four times indicted former president donald j trump and his fight to go for our republican front runner to the official nominee. over the next several days, he will bring his campaign to the courthouse. tomorrow, he will be a hearing on his claim of presidential immunity and on thursday, closi...

democratic candidate for the united states senate in arizona gets tonight's last word. the 11th hour with stephanie ruhle starts now. tonight, we are officially one week from the iowa caucuses. president biden, making the case against donald trump. as a republican front runner continues to push lies about the last election. then, looking ahead to the former presidents busy legal calendar as he chooses to spend another day in court. wayne lapierre appears to opening statements in the nra's civil corruption trial. the impact this case could have on the group's political strength as t...

Maybe there's no dark matter or missing mass. Introducing topological defects, a hypothetical explanation that doesn't require dark matter.

This galactic superstructure appears to us as it was over 9 billion years ago.

The ring of galaxies, appropriately called the "Big Ring," has a circumference of nearly 4 billion light-years.