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While governments prevaricate over climate change measures, millions of travelers worldwide have been voting with their feet and switching to trains as their preferred mode of transport.

Before the violent attack on her husband in late October, the security of House Speaker Nancy Pelosi's California home had not been assessed by United States Capitol Police since 2018, Police Chief Thomas Manger told CNN's Pamela Brown in an exclusive interview Tuesday.

Children's hospitals are already full of sick kids and bracing for a potential increase in respiratory illnesses after holiday gatherings.

Republican House leader Rep. Kevin McCarthy has told Senate Republicans that if they vote for the bipartisan omnibus bill any legislation they send to the House will be "dead on arrival" once he becomes speaker.

• LIVE UPDATES: House panel meeting on Trump's tax returns • Republicans are preparing to push back if Democrats vote to release any of Trump's tax information, sources say

As the world's attention was focused on the conclusion of the World Cup in Qatar last week, a political scandal was brewing in Europe with the small gas-rich nation at its center.

• What is a bomb cyclone? • Knowing how to handle extreme cold can be the difference between life and death

Boris Becker says a prison "inmate tried to kill" him during the tennis great's incarceration in a British jail during an interview that was aired Tuesday by German broadcaster Sat 1.

When winter storms force us to brace for freezing rain, wind, sleet and snow, lives can be in danger.

It's a busier-than-usual Wednesday in Washington.

The Faculty Senate Executive Committee at Purdue University Northwest (PNW) released a letter demanding Chancellor Thomas L. Keon resign after making an offensive statement during a commencement ceremony earlier this month, the committee tells CNN.

Twitter owner Elon Musk confirmed Tuesday evening he will step down as the company's CEO, but only when he identifies a successor, directly addressing for the first time a Twitter poll he created this week in which millions of users voted for his ouster.

Argentina's capital Buenos Aires was brought to a standstill as football player Lionel Messi and his teammates traveled through the city in an open air bus after their stunning win of the 2022 World Cup. Journalist Stefano Pozzebon has more.

The final report the House select committee investigating the January 6, 2021, attack is set to release Wednesday launches a new era for criminal investigators, politicians and members of the public who have been eager to see the nuts and bolts of its work.

Many Rohingya are feared dead at sea more than three weeks after their boat became stranded off the Indian coast, where at least 160 people remain aboard on the brink of starvation, family members and the United Nations' refugee agency said.

For the past six months, the days have grown shorter and the nights have grown longer in the Northern Hemisphere. But that's about to reverse itself.

A photo gallery by Argentine footballer Lionel Messi has become the most-liked Instagram post ever.

Just weeks ago, catching Covid in China meant being taken to government quarantine for an indeterminate stay and your entire residential building being locked down, trapping neighbors in their homes for days or weeks.

• Exclusive: Biden task force investigating how US tech ends up in Iranian attack drones used against Ukraine • Zelensky makes trip to DC to rally US support • Live updates: Zelensky says he's on his way to US to meet with Biden and address Congress • Russia's militarization of the Arctic shows no sign of slowing down

Despite its startling Ukraine losses, Russia continues to expand its Arctic defenses, which leaves NATO edgy. CNN's Nick Paton Walsh reports.