Four astronauts lifted-off on a historic NASA mission. Mark Strassmann has more on the first team of astronauts aboard a SpaceX rocket. Source

After six years, two successful test flights and a multibillion-dollar investment in American enterprise, NASA launched four astronauts to the International Space Station on Sunday, the first government-certified flight of a commercially developed SpaceX Crew Dragon spacecraft. Source

The stage is set for the first operational flight of a Crew Dragon spacecraft carrying four astronauts to the space station. Source

President Barack Obama tells 60 Minutes what he was thinking about as his helicopter departed from President Trump’s inauguration. Source

The former president shares the advice he would give President Trump, his thoughts on the kill-ing of George Floyd, and what’s behind the divisions in Washington and across the U.S. Source

It’s billed itself as “the last sunny corner on the internet,” but is TikTok really a tool for China to obtain troves of data on Americans? Bill Whitaker reports. Source

The popular video-sharing app avoided a nationwide ban this week. But experts say its national security risks remain. Source

The former president shares the advice he would give President Trump, his thoughts on the killing of George Floyd, and what’s behind the divisions in Washington and across the U.S. Scott Pelley reports. Source

As the nation focuses on the transition to the future Biden administration, the federal government’s General Services Administration is getting a rare moment in the spotlight. CBS News political reporter Grace Segers explains the history behind the sprawling bureaucracy and why the agency has yet to recognize the winner of the 2020 presidential election. Source

Manuel Merino agreed to step down after a night of unrest in which two young protesters were killed and half his Cabinet resigned. Source