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Australian scientists have used a powerful new telescope to map about 3 million galaxies at record-breaking speed -- creating what they say is a "Google Map of the universe."

As the year comes to an end, many of Europe's governments are scrambling to avoid stringent lockdowns over the Christmas holidays. CNN's Melissa Bell reports.

Former CIA Director John Brennan compares President Donald Trump's disinformation campaign with similar tactics used by Russia to influence the American people.

Late-night hosts Trevor Noah, Jimmy Kimmel and Jimmy Fallon ridiculed President-elect Joe Biden for his accident while playing with his dog and then mocked President Trump for the size of his desk.

CNN's Jeff Zeleny reports on President-elect Joe Biden's diverse economic team with four women in top roles.

CNN's Don Lemon breaks down President Trump's refusal to accept the outcome of the election as his presidency comes to an end.